diff --git a/Makefile b/Makefile
index 246fdf4..ee340db 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,7 @@ prep: profile.tgz app-profile.tgz profile build/licenses build/I2P build/I2P/con
 	cp src/nsis/*.nsh build
 	cp src/icons/*.ico build
 
-install.exe:
+install.exe: build/licenses
 	cd build && makensis i2pbrowser-installer.nsi && cp I2P-Profile-Installer-*.exe ../ && echo "built windows installer"
 
 export RES_DIR="../i2p.i2p.jpackage-build/installer/resources"
@@ -66,7 +66,7 @@ src/I2P/config: build/I2P
 	cp -v $(RES_DIR)/i2ptunnel.config src/I2P/config/
 	cp -v $(RES_DIR)/wrapper.config src/I2P/config/
 	#grep -v 'router.updateURL' $(RES_DIR)/router.config > src/I2P/config/router.config
-	cat router.config >> src/I2P/config/router.config
+	cat router.config > src/I2P/config/router.config
 	cp -v $(RES_DIR)/hosts.txt src/I2P/config/hosts.txt
 	cp -R $(RES_DIR)/certificates src/I2P/config/certificates
 	cp -R $(RES_DIR)/eepsite src/I2P/config/eepsite
diff --git a/README.md b/README.md
index e972f10..63c421c 100644
--- a/README.md
+++ b/README.md
@@ -4,22 +4,22 @@ I2P Browsing Profile for Firefox
 Features:
 ---------
 
- - Automatically select an up-to-date, secure Firefox or Tor Browser(On Windows) variant
- - Automatically configure a profile for I2P
- - Automatically block-list all non-I2P local destinations
- - Enable first-party isolation, anti-fingerprinting, letterboxing
- - Automatically sandbox I2P, Non-I2P, and I2P-Application cookiestores
+- Automatically select an up-to-date, secure Firefox or Tor Browser(On Windows) variant
+- Automatically configure a profile for I2P
+- Automatically block-list all non-I2P local destinations
+- Enable first-party isolation, anti-fingerprinting, letterboxing
+- Automatically sandbox I2P, Non-I2P, and I2P-Application cookiestores
 
 Build Dependencies:
 -------------------
 
 To build this, you will need the following software packages (all available in Debian) :
 
- * make
- * nsis
- * dos2unix
- * curl
- * jq
+- make
+- nsis
+- dos2unix
+- curl
+- jq
 
 In addition, you will need the NSIS plugin "ShellExecAsUser" which you can get from the
 [NSIS Wiki Page](https://nsis.sourceforge.io/ShellExecAsUser_plug-in). In order to install
@@ -32,14 +32,13 @@ cp -rv Plugins/* /usr/share/nsis/Plugins/
 
 To build a Debian package, you'll also need
 
- * checkinstall
+- checkinstall
 
 Preparation
 -----------
 
 Before you build, run the targets
 
-
         make clean-extensions
         make extensions
 
@@ -99,8 +98,8 @@ with `sudo service i2p start` then you can run the script:
 
         /usr/local/bin/i2p-config-service-setup
 
-Including a jpackaged I2P Router(EXPERIMENTAL)
-----------------------------------------------
+Including a jpackaged I2P Router
+--------------------------------
 
 In order to include a jpackaged(dependency-free) I2P router in the Profile
 Bundle you will need to build the jpackaged I2P router as an "App Image" on
@@ -168,6 +167,9 @@ you should select "Checkout as is, commit as is" and leave line-endings alone.
 End-to-End Windows build process using Cygwin
 ---------------------------------------------
 
+I highly recommend you look into the Chocolatey package manager, which makes it much
+easier to configure these tools and keep them up to date.
+
 **Prerequisites:** You need to have OpenJDK 14 or greater installed and configured
 with your `%JAVA_HOME%` environment variable configured and `%JAVA_HOME%/bin` on
 your `%PATH%`. You need to have Apache Ant installed and configured with `%ANT_HOME%`
@@ -178,27 +180,26 @@ select "Checkout as is, commit as is" and leave line-endings alone.
 
 TODO: Add links to the respective instructions for each of these.
 
- 1. Run the Cygwin `setup-$arch.exe` for your platform to set up new packages.
-   Select the `make` `jq` `dos2unix` and `curl` packages.
- 2. Open a cygwin terminal.
- 3. Clone `i2p.i2p` and `i2p.firefox`
+1. Run the Cygwin `setup-$arch.exe` for your platform to set up new packages. Select the `make` `jq` `dos2unix` and `curl` packages.
+2. Open a cygwin terminal.
+3. Clone `i2p.i2p` and `i2p.firefox`
 
         git clone https://github.com/i2p/i2p.i2p
         git clone https://github.com/i2p/i2p.firefox
 
- 3. Move to the i2p.i2p directory. Build the .jar files required to build the App Image
+4. Move to the i2p.i2p directory. Build the .jar files required to build the App Image
   inside i2p.i2p. Return to home.
 
         cd i2p.i2p
         ant clean pkg
         cd ..
 
- 4. Move into the i2p.firefox directory. Run the `./build.sh` script.
+5. Move into the i2p.firefox directory. Run the `./build.sh` script.
 
         cd i2p.firefox
         ./build.sh
 
- 5. Run `make` to build the installer.
+6. Run `make` to build the installer.
 
 Doing a Release
 ---------------
diff --git a/build.sh b/build.sh
index 83862f2..13efe1a 100755
--- a/build.sh
+++ b/build.sh
@@ -58,9 +58,22 @@ I2P_JBIGI="$HERE/../i2p.i2p.jpackage-build/installer/lib/jbigi"
 echo "compiling custom launcher"
 mkdir build
 cp "$I2P_JARS"/*.jar build
+if [ ! -f "$HERE/build/jna.jar" ]; then
+  wget -O "$HERE/build/jna.jar" "https://repo1.maven.org/maven2/net/java/dev/jna/jna/$JNA_VERSION/jna-$JNA_VERSION.jar"
+fi
+
+if [ ! -f "$HERE/build/jna-platform.jar" ]; then
+  wget -O "$HERE/build/jna-platform.jar" "https://repo1.maven.org/maven2/net/java/dev/jna/jna-platform/$JNA_VERSION/jna-platform-$JNA_VERSION.jar"
+fi
 
 cd java
-"$JAVA_HOME"/bin/javac -d ../build -classpath "$HERE"/build/i2p.jar:"$HERE"/build/router.jar:"$HERE"/build/routerconsole.jar net/i2p/router/WinLauncher.java net/i2p/router/WindowsUpdatePostProcessor.java net/i2p/router/WinUpdateProcess.java
+"$JAVA_HOME"/bin/javac -d ../build -classpath "$HERE/build/jna.jar":"$HERE/build/jna-platform.jar":"$HERE/build/i2p.jar":"$HERE/build/router.jar":"$HERE/build/routerconsole.jar" \
+  net/i2p/router/Elevator.java \
+  net/i2p/router/Shell32X.java \
+  net/i2p/router/WinLauncher.java \
+  net/i2p/router/WindowsUpdatePostProcessor.java \
+  net/i2p/router/WinUpdateProcess.java
+
 cd ..
 
 #echo "building launcher.jar"
diff --git a/changelog.txt b/changelog.txt
index 87229e6..7c618b6 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,12 @@
+2022-03-25 idk
+ * This release adds support for user-mode, non-privileged installation of the
+  jpackaged router and the browser profile. Admin installation is still supported
+  and detected automatically, to support existing bundles.
+ * On restart to update, will detect if a router requires admin rights to install
+  and will ask the user to authorize the update. In user-mode, no prompt will ever
+  be seen.
+ * Updates to the Firefox profiles to improve compatibility with more Firefoxes
+
 2022-02-10 idk
 * This release fixes automatic update using Bittorrent within the I2P network
  and the custom Update PostProcessor.
diff --git a/i2pversion b/i2pversion
index ab43478..cc0ca80 100644
--- a/i2pversion
+++ b/i2pversion
@@ -1,5 +1,7 @@
 #! /usr/bin/env sh
 
+JNA_VERSION=5.10.0
+export JNA_VERSION=5.10.0
 
 #Comment this out to build from an alternate branch or
 # the tip of the master branch.
diff --git a/java/net/i2p/router/Elevator.java b/java/net/i2p/router/Elevator.java
new file mode 100644
index 0000000..2715a15
--- /dev/null
+++ b/java/net/i2p/router/Elevator.java
@@ -0,0 +1,33 @@
+package net.i2p.router;
+
+import com.sun.jna.WString;
+import com.sun.jna.platform.win32.Kernel32;
+import com.sun.jna.platform.win32.Kernel32Util;
+
+public class Elevator {
+    public static void main(String... args) {
+        executeAsAdministrator("c:\\windows\\system32\\notepad.exe", "");
+    }
+
+    public static void executeAsAdministrator(String command, String args) {
+        if (command == "" || command == null) {
+            System.out.println("No command specified");
+            return;
+        }
+        Shell32X.SHELLEXECUTEINFO execInfo = new Shell32X.SHELLEXECUTEINFO();
+        execInfo.lpFile = new WString(command);
+        if (args != null)
+            execInfo.lpParameters = new WString(args);
+        execInfo.nShow = Shell32X.SW_SHOWDEFAULT;
+        execInfo.fMask = Shell32X.SEE_MASK_NOCLOSEPROCESS;
+        execInfo.lpVerb = new WString("runas");
+        boolean result = Shell32X.INSTANCE.ShellExecuteEx(execInfo);
+
+        if (!result) {
+            int lastError = Kernel32.INSTANCE.GetLastError();
+            String errorMessage = Kernel32Util.formatMessageFromLastErrorCode(lastError);
+            throw new RuntimeException("Error performing elevation: " + lastError + ": " + errorMessage + " (apperror="
+                    + execInfo.hInstApp + ")");
+        }
+    }
+}
diff --git a/java/net/i2p/router/Shell32X.java b/java/net/i2p/router/Shell32X.java
new file mode 100644
index 0000000..c7906eb
--- /dev/null
+++ b/java/net/i2p/router/Shell32X.java
@@ -0,0 +1,111 @@
+package net.i2p.router;
+
+import java.util.*;
+
+import com.sun.jna.Native;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import com.sun.jna.WString;
+import com.sun.jna.platform.win32.Shell32;
+import com.sun.jna.platform.win32.WinDef.HINSTANCE;
+import com.sun.jna.platform.win32.WinDef.HWND;
+import com.sun.jna.platform.win32.WinNT.HANDLE;
+import com.sun.jna.platform.win32.WinReg.HKEY;
+import com.sun.jna.win32.W32APIOptions;
+
+public interface Shell32X extends Shell32 {
+    Shell32X INSTANCE = (Shell32X) Native.loadLibrary("shell32", Shell32X.class, W32APIOptions.UNICODE_OPTIONS);
+
+    int SW_HIDE = 0;
+    int SW_MAXIMIZE = 3;
+    int SW_MINIMIZE = 6;
+    int SW_RESTORE = 9;
+    int SW_SHOW = 5;
+    int SW_SHOWDEFAULT = 10;
+    int SW_SHOWMAXIMIZED = 3;
+    int SW_SHOWMINIMIZED = 2;
+    int SW_SHOWMINNOACTIVE = 7;
+    int SW_SHOWNA = 8;
+    int SW_SHOWNOACTIVATE = 4;
+    int SW_SHOWNORMAL = 1;
+
+    /** File not found. */
+    int SE_ERR_FNF = 2;
+
+    /** Path not found. */
+    int SE_ERR_PNF = 3;
+
+    /** Access denied. */
+    int SE_ERR_ACCESSDENIED = 5;
+
+    /** Out of memory. */
+    int SE_ERR_OOM = 8;
+
+    /** DLL not found. */
+    int SE_ERR_DLLNOTFOUND = 32;
+
+    /** Cannot share an open file. */
+    int SE_ERR_SHARE = 26;
+
+    int SEE_MASK_NOCLOSEPROCESS = 0x00000040;
+
+    int ShellExecute(int i, String lpVerb, String lpFile, String lpParameters, String lpDirectory, int nShow);
+
+    boolean ShellExecuteEx(SHELLEXECUTEINFO lpExecInfo);
+
+    public static class SHELLEXECUTEINFO extends Structure {
+        /*
+         * DWORD cbSize;
+         * ULONG fMask;
+         * HWND hwnd;
+         * LPCTSTR lpVerb;
+         * LPCTSTR lpFile;
+         * LPCTSTR lpParameters;
+         * LPCTSTR lpDirectory;
+         * int nShow;
+         * HINSTANCE hInstApp;
+         * LPVOID lpIDList;
+         * LPCTSTR lpClass;
+         * HKEY hkeyClass;
+         * DWORD dwHotKey;
+         * union {
+         * HANDLE hIcon;
+         * HANDLE hMonitor;
+         * } DUMMYUNIONNAME;
+         * HANDLE hProcess;
+         */
+
+        public int cbSize = size();
+        public int fMask;
+        public HWND hwnd;
+        public WString lpVerb;
+        public WString lpFile;
+        public WString lpParameters;
+        public WString lpDirectory;
+        public int nShow;
+        public HINSTANCE hInstApp;
+        public Pointer lpIDList;
+        public WString lpClass;
+        public HKEY hKeyClass;
+        public int dwHotKey;
+
+        /*
+         * Actually:
+         * union {
+         * HANDLE hIcon;
+         * HANDLE hMonitor;
+         * } DUMMYUNIONNAME;
+         */
+        public HANDLE hMonitor;
+        public HANDLE hProcess;
+
+        protected List getFieldOrder() {
+            return Arrays.asList(new String[] {
+                    "cbSize", "fMask", "hwnd", "lpVerb", "lpFile", "lpParameters",
+                    "lpDirectory", "nShow", "hInstApp", "lpIDList", "lpClass",
+                    "hKeyClass", "dwHotKey", "hMonitor", "hProcess",
+            });
+        }
+    }
+
+}
diff --git a/java/net/i2p/router/WinLauncher.java b/java/net/i2p/router/WinLauncher.java
index 2043c15..2f1f9f9 100644
--- a/java/net/i2p/router/WinLauncher.java
+++ b/java/net/i2p/router/WinLauncher.java
@@ -1,6 +1,8 @@
 package net.i2p.router;
 
 import java.io.*;
+import java.net.InetAddress;
+import java.net.Socket;
 import java.util.*;
 
 import net.i2p.crypto.*;
@@ -49,6 +51,12 @@ public class WinLauncher {
         System.out.println("\t" + System.getProperty("i2p.dir.base") + "\n\t" + System.getProperty("i2p.dir.config")
                 + "\n\t" + System.getProperty("router.pid"));
 
+        // do a quick check to see of port 7657 is already occupied
+        if (i2pIsRunning()) {
+            System.err.println("I2P is already running");
+            System.exit(0);
+        }
+
         // wupp.i2pRouter = new Router(System.getProperties());
         System.out.println("Router is configured");
 
@@ -61,6 +69,18 @@ public class WinLauncher {
         RouterLaunch.main(args);
     }
 
+    private static boolean i2pIsRunning() {
+        // check if there's something listening on port 7657
+        try {
+            InetAddress localhost = InetAddress.getLocalHost();
+            Socket s = new Socket(localhost, 7657);
+            s.close();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
     private static final Runnable REGISTER_UPP = () -> {
 
         // first wait for the RouterContext to appear
@@ -96,6 +116,16 @@ public class WinLauncher {
     }
 
     private static File selectHome() { // throws Exception {
+        String path_override = System.getenv("I2P_CONFIG");
+        if (path_override != null) {
+            File path = new File(path_override);
+            if (path != null && path.exists()) {
+                if (path.isDirectory())
+                    return path.getAbsoluteFile();
+                else
+                    throw new RuntimeException("I2P_CONFIG is not a directory: " + path);
+            }
+        }
         if (SystemVersion.isWindows()) {
             File home = new File(System.getProperty("user.home"));
             File appData = new File(home, "AppData");
@@ -113,6 +143,16 @@ public class WinLauncher {
     }
 
     private static File selectProgramFile() {
+        String path_override = System.getenv("I2P");
+        if (path_override != null) {
+            File path = new File(path_override);
+            if (path.exists()) {
+                if (path.isDirectory())
+                    return path.getAbsoluteFile();
+                else
+                    throw new RuntimeException("I2P is not a directory: " + path);
+            }
+        }
         if (SystemVersion.isWindows()) {
             File jrehome = new File(System.getProperty("java.home"));
             File programs = jrehome.getParentFile();
diff --git a/java/net/i2p/router/WinUpdateProcess.java b/java/net/i2p/router/WinUpdateProcess.java
index 46dadcc..9dc6071 100644
--- a/java/net/i2p/router/WinUpdateProcess.java
+++ b/java/net/i2p/router/WinUpdateProcess.java
@@ -42,20 +42,29 @@ class WinUpdateProcess implements Runnable {
         var workingDir = workDir();
         var logFile = new File(workingDir, "log-" + version + ".txt");
 
-        ProcessBuilder pb = new ProcessBuilder(file.getAbsolutePath());
-        var env = pb.environment();
-        env.put("OLD_I2P_VERSION", version);
-        env.remove("RESTART_I2P");
+        if (logFile.canWrite()) {
+            // check if we can write to the log file. If we can, use the ProcessBuilder to
+            // run the installer.
+            ProcessBuilder pb = new ProcessBuilder(file.getAbsolutePath(), "/S", "/D=" + workingDir.getAbsolutePath());
+            var env = pb.environment();
+            env.put("OLD_I2P_VERSION", version);
+            env.remove("RESTART_I2P");
 
-        int exitCode = ctx.router().scheduledGracefulExitCode();
-        if (exitCode == Router.EXIT_HARD_RESTART || exitCode == Router.EXIT_GRACEFUL_RESTART)
-            env.put("RESTART_I2P", "true");
+            int exitCode = ctx.router().scheduledGracefulExitCode();
+            if (exitCode == Router.EXIT_HARD_RESTART || exitCode == Router.EXIT_GRACEFUL_RESTART)
+                env.put("RESTART_I2P", "true");
 
-        try {
-            pb.directory(workingDir).redirectErrorStream(true).redirectOutput(logFile).start();
-        } catch (IOException ex) {
-            System.out.println("Unable to run update-program in background. Update will fail.");
+            try {
+                pb.directory(workingDir).redirectErrorStream(true).redirectOutput(logFile).start();
+            } catch (IOException ex) {
+                System.out.println("Unable to run update-program in background. Update will fail.");
+            }
+        } else {
+            // If we cant write to the log file and we're on Windows, use the elevator to
+            // execute the installer instead of the ProcessBuilder.
+            Elevator.executeAsAdministrator(file.getAbsolutePath(), " /S /D=" + workingDir.getAbsolutePath());
         }
+
     }
 
     @Override
diff --git a/java/net/i2p/router/WindowsUpdatePostProcessor.java b/java/net/i2p/router/WindowsUpdatePostProcessor.java
index 45dc450..badad32 100644
--- a/java/net/i2p/router/WindowsUpdatePostProcessor.java
+++ b/java/net/i2p/router/WindowsUpdatePostProcessor.java
@@ -43,28 +43,30 @@ public class WindowsUpdatePostProcessor implements UpdatePostProcessor {
     public void updateDownloadedandVerified(UpdateType type, int fileType, String version, File file)
             throws IOException {
         _log.info("Got an update to post-process");
+        if (SystemVersion.isWindows()) {
 
-        if (type != UpdateType.ROUTER_SIGNED_SU3 && type != UpdateType.ROUTER_DEV_SU3) {
-            _log.warn("Unsupported update type " + type);
-            return;
+            if (type != UpdateType.ROUTER_SIGNED_SU3 && type != UpdateType.ROUTER_DEV_SU3) {
+                _log.warn("Unsupported update type " + type);
+                return;
+            }
+
+            if (fileType != SU3File.TYPE_EXE) {
+                _log.warn("Unsupported file type " + fileType);
+                return;
+            }
+
+            this.positionedFile = moveUpdateInstaller(file);
+            this.version = version;
+
+            if (!hook.compareAndSet(false, true)) {
+                _log.info("shutdown hook was already set");
+                return;
+            }
+
+            _log.info("adding shutdown hook");
+
+            ctx.addFinalShutdownTask(new WinUpdateProcess(ctx, this::getVersion, this::getFile));
         }
-
-        if (fileType != SU3File.TYPE_EXE) {
-            _log.warn("Unsupported file type " + fileType);
-            return;
-        }
-
-        this.positionedFile = moveUpdateInstaller(file);
-        this.version = version;
-
-        if (!hook.compareAndSet(false, true)) {
-            _log.info("shutdown hook was already set");
-            return;
-        }
-
-        _log.info("adding shutdown hook");
-        ctx.addFinalShutdownTask(new WinUpdateProcess(ctx, this::getVersion, this::getFile));
-
     }
 
     private File moveUpdateInstaller(File file) throws IOException {
diff --git a/src/app-profile/prefs.js b/src/app-profile/prefs.js
index 11e8061..233e2d3 100644
--- a/src/app-profile/prefs.js
+++ b/src/app-profile/prefs.js
@@ -60,3 +60,4 @@ user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 user_pref("webgl.enable-webgl2", false);
 user_pref("media.navigator.enabled", false);
 user_pref("dom.w3c_touch_events.enabled", false);
+user_pref("browser.display.use_system_colors", false);
\ No newline at end of file
diff --git a/src/app-profile/user.js b/src/app-profile/user.js
index c4bb768..45fbbba 100644
--- a/src/app-profile/user.js
+++ b/src/app-profile/user.js
@@ -1,19 +1,18 @@
-# Overrides for Extension Preferences
-# Tor Browser Bundle
-# Do not edit this file.
-#
-# This file is modified from a file included in the Tor Browser Bundle.
-#
-# Copyright 2017 The Tor Project.  See LICENSE.tor for licensing information.
+/*
+Overrides#
+for Extension Preferences# Tor Browser Bundle# Do not edit this file.##This file is modified from a file included in the Tor Browser Bundle.##Copyright 2017 The Tor Project.See LICENSE.tor#
+for licensing information.
 
-# HTTPS Everywhere Preferences:
+HTTPS Everywhere Preferences:
+*/
 user_pref("extensions.https_everywhere._observatory.popup_shown", true);
 user_pref("extensions.https_everywhere.toolbar_hint_shown", true);
 
-# NoScript Preferences:
-# In order to disable all scripts by default, uncomment the following line...
-# user_pref("capability.policy.maonoscript.javascript.enabled", "noAccess");
-# and comment out the following line
+/*
+NoScript Preferences: #In order to disable all scripts by
+default, uncomment the following line...#user_pref("capability.policy.maonoscript.javascript.enabled", "noAccess");#
+and comment out the following line
+*/
 user_pref("capability.policy.maonoscript.javascript.enabled", "allAccess");
 user_pref("capability.policy.maonoscript.sites", "[System+Principal] about: about:tbupdate about:tor chrome: resource: blob: mediasource: moz-extension: moz-safe-about: about:neterror about:certerror about:feeds about:tabcrashed about:cache");
 user_pref("noscript.default", "[System+Principal] about: about:tbupdate about:tor chrome: resource: blob: mediasource: moz-extension: moz-safe-about: about:neterror about:certerror about:feeds about:tabcrashed about:cache");
@@ -106,7 +105,7 @@ user_pref("network.proxy.ftp_port", 4444);
 user_pref("network.proxy.socks", "127.0.0.1");
 user_pref("network.proxy.socks_port", 4444);
 user_pref("network.proxy.share_proxy_settings", true);
-user_pref("browser.startup.homepage", "about:blank");
+user_pref("browser.startup.homepage", "http://127.0.0.1:7657/home");
 
 // Privacy-harden and disable irrelevant features.
 user_pref("app.normandy.api_url", "");
@@ -222,3 +221,4 @@ user_pref("webgl.min_capability_mode", true);
 user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 user_pref("webgl.enable-webgl2", false);
 user_pref("dom.w3c_touch_events.enabled", false);
+user_pref("browser.display.use_system_colors", false);
\ No newline at end of file
diff --git a/src/nsis/i2pbrowser-installer.nsi b/src/nsis/i2pbrowser-installer.nsi
index 8f3555a..ab8169e 100644
--- a/src/nsis/i2pbrowser-installer.nsi
+++ b/src/nsis/i2pbrowser-installer.nsi
@@ -27,6 +27,8 @@ SetOverwrite on
 !define I2PINSTEXE
 !define I2PINSTEXE32 "$PROGRAMFILES32\i2p"
 !define I2PINSTEXE64 "$PROGRAMFILES64\i2p"
+!define I2PINSTEXE_USERMODE "$LOCALAPPDATA\i2p"
+
 
 !define RAM_NEEDED_FOR_64BIT 0x80000000
 
@@ -39,7 +41,7 @@ Name "${COMPANYNAME} - ${APPNAME}"
 Icon ui2pbrowser_icon.ico
 OutFile "I2P-Profile-Installer-${VERSIONMAJOR}.${VERSIONMINOR}.${VERSIONBUILD}.exe"
 
-RequestExecutionLevel admin
+RequestExecutionLevel user
 
 !include LogicLib.nsh
 !include x64.nsh
@@ -144,6 +146,13 @@ Page instfiles
 !include i2pbrowser-mozcompat.nsi
 
 Function .onInit
+    StrCpy $I2PINSTEXE "${I2PINSTEXE64}"
+    UserInfo::GetAccountType
+    pop $0
+    ${If} $0 != "admin"
+        StrCpy $INSTDIR "$LOCALAPPDATA\${COMPANYNAME}\${APPNAME}"
+        StrCpy $I2PINSTEXE "${I2PINSTEXE_USERMODE}"
+    ${EndIf}
     !insertmacro MUI_LANGDLL_DISPLAY
     Call ShouldInstall64Bit
     ${If} $0 == 1
@@ -172,13 +181,18 @@ Function .onInit
             StrCpy $FFINSTEXE "$PROFILE\Desktop\Tor Browser\Browser\"
         ${EndIf}
     ${EndIf}
-    StrCpy $I2PINSTEXE "${I2PINSTEXE64}"
-    ${If} ${FileExists} "${I2PINSTEXE32}\i2p.exe"
-        StrCpy $I2PINSTEXE "${I2PINSTEXE32}"
-    ${EndIf}
-    ${If} ${FileExists} "${I2PINSTEXE64}\i2p.exe"
+    UserInfo::GetAccountType
+    pop $0
+    ${If} $0 == "admin"
         StrCpy $I2PINSTEXE "${I2PINSTEXE64}"
+        ${If} ${FileExists} "${I2PINSTEXE32}\i2p.exe"
+            StrCpy $I2PINSTEXE "${I2PINSTEXE32}"
+        ${EndIf}
+        ${If} ${FileExists} "${I2PINSTEXE64}\i2p.exe"
+            StrCpy $I2PINSTEXE "${I2PINSTEXE64}"
+        ${EndIf}
     ${EndIf}
+    # look for user installs
 FunctionEnd
 
 Function firefoxDetect
diff --git a/src/nsis/i2pbrowser-version.nsi b/src/nsis/i2pbrowser-version.nsi
index 1e97f13..1b94c0a 100644
--- a/src/nsis/i2pbrowser-version.nsi
+++ b/src/nsis/i2pbrowser-version.nsi
@@ -1,3 +1,3 @@
 !define VERSIONMAJOR 1
 !define VERSIONMINOR 7
-!define VERSIONBUILD 4
\ No newline at end of file
+!define VERSIONBUILD 4
diff --git a/src/profile/prefs.js b/src/profile/prefs.js
index 7312217..8e4163e 100644
--- a/src/profile/prefs.js
+++ b/src/profile/prefs.js
@@ -58,6 +58,5 @@ user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 user_pref("webgl.enable-webgl2", false);
 user_pref("media.navigator.enabled", false);
 user_pref("dom.w3c_touch_events.enabled", false);
-user_pref("fission.autostart", true);
-user_pref("gfx.webrender.all", false);
-user_pref("privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts", false);
\ No newline at end of file
+user_pref("browser.privatebrowsing.autostart", false);
+user_pref("browser.display.use_system_colors", false);
\ No newline at end of file
diff --git a/src/profile/user.js b/src/profile/user.js
index 0a945b8..f6d2f77 100644
--- a/src/profile/user.js
+++ b/src/profile/user.js
@@ -1,15 +1,18 @@
-//# Overrides
-//for Extension Preferences# Tor Browser Bundle# Do not edit this file.##This file is modified from a file included in the Tor Browser Bundle.##Copyright 2017 The Tor Project.See LICENSE.tor
-//for licensing information.
+/*
+Overrides#
+for Extension Preferences# Tor Browser Bundle# Do not edit this file.##This file is modified from a file included in the Tor Browser Bundle.##Copyright 2017 The Tor Project.See LICENSE.tor#
+for licensing information.
 
-//# HTTPS Everywhere Preferences:
+HTTPS Everywhere Preferences:
+*/
 user_pref("extensions.https_everywhere._observatory.popup_shown", true);
 user_pref("extensions.https_everywhere.toolbar_hint_shown", true);
 
-//# NoScript Preferences: #In order to disable all scripts by
-//default, uncomment the following line...
-//#user_pref("capability.policy.maonoscript.javascript.enabled", "noAccess");#
-//and comment out the following line
+/*
+NoScript Preferences: #In order to disable all scripts by
+default, uncomment the following line...#user_pref("capability.policy.maonoscript.javascript.enabled", "noAccess");#
+and comment out the following line
+*/
 user_pref("capability.policy.maonoscript.javascript.enabled", "allAccess");
 user_pref("capability.policy.maonoscript.sites", "[System+Principal] about: about:tbupdate about:tor chrome: resource: blob: mediasource: moz-extension: moz-safe-about: about:neterror about:certerror about:feeds about:tabcrashed about:cache");
 user_pref("noscript.default", "[System+Principal] about: about:tbupdate about:tor chrome: resource: blob: mediasource: moz-extension: moz-safe-about: about:neterror about:certerror about:feeds about:tabcrashed about:cache");
@@ -79,6 +82,9 @@ user_pref("extensions.torbutton.use_nontor_proxy", true);
 //user_pref("extensions.torlauncher.socks_port_use_ipc", );
 //user_pref("extensions.torlauncher.socks_ipc_path", "");
 
+// TODO: this is a Tor Browser specific setting which is ignored on Firefox. If
+// I make it true, the SOCKS outproxy will have something to connect to. But I
+// need to test more to find out if that's prudent.
 user_pref("extensions.torlauncher.start_tor", false);
 //user_pref("extensions.torlauncher.default_bridge_type", "");
 user_pref("extensions.torlauncher.prompt_at_startup", false);
@@ -102,7 +108,7 @@ user_pref("network.proxy.ftp_port", 4444);
 user_pref("network.proxy.socks", "127.0.0.1");
 user_pref("network.proxy.socks_port", 4444);
 user_pref("network.proxy.share_proxy_settings", true);
-user_pref("browser.startup.homepage", "about:blank");
+user_pref("browser.startup.homepage", "http://127.0.0.1:7657/home");
 
 // Privacy-harden and disable irrelevant features.
 user_pref("app.normandy.api_url", "");
@@ -218,6 +224,5 @@ user_pref("webgl.min_capability_mode", true);
 user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 user_pref("webgl.enable-webgl2", false);
 user_pref("dom.w3c_touch_events.enabled", false);
-user_pref("fission.autostart", true);
-user_pref("gfx.webrender.all", false);
-user_pref("privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts", false);
\ No newline at end of file
+user_pref("browser.privatebrowsing.autostart", false);
+user_pref("browser.display.use_system_colors", false);
\ No newline at end of file
diff --git a/src/win/i2pbrowser-private.bat b/src/win/i2pbrowser-private.bat
index 5ce62aa..bbdd2b9 100644
--- a/src/win/i2pbrowser-private.bat
+++ b/src/win/i2pbrowser-private.bat
@@ -9,26 +9,31 @@ if exist "%ProgramFiles(x86)%\I2P" (
   set "I2PPath=%ProgramFiles(x86)%\I2P"
 )
 
-netstat /o /a | find /i "listening" | find ":7657" >nul 2>nul && (
-   echo I2P is already running
-) || (
-  if exist "%ProgramFiles%\I2P\jpackaged" (
-    start "i2p" /D "%LOCALAPPDATA%\I2P" "%I2PPath%\i2p.exe"
-  ) else (
-    start "i2p" "%I2PPath%\i2p.exe"
-  )
+set "I2PPath=%LocalAppData%\I2P\"
+if exist "%LocalAppData%\I2P\I2P.exe" (
+  set "I2PPath=%LocalAppData%\I2P\"
+)
+
+if exist "%I2PPath%\jpackaged" (
+  cd "%LOCALAPPDATA%\I2P"
+  start "i2p" /D "%LOCALAPPDATA%\I2P" "%I2PPath%\i2p.exe"
+) else (
+  start "i2p" "%I2PPath%\i2p.exe"
 )
 
 timeout /t 3
 
 if exist "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\" (
   echo "profile is configured, updating extensions"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\extensions"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\extensions"
 ) else (
   echo "configuring profile"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p"
 )
 
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\user.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\user.js"
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\prefs.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\prefs.js"
+
 if exist "%USERPROFILE%/Desktop/Tor Browser/Browser/firefox.exe" (
   start "i2pbrowser" "%USERPROFILE%/Desktop/Tor Browser/Browser/firefox.exe" -no-remote -profile "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p" -private-window about:blank
   exit
diff --git a/src/win/i2pbrowser.bat b/src/win/i2pbrowser.bat
index a28a547..aaca3f7 100644
--- a/src/win/i2pbrowser.bat
+++ b/src/win/i2pbrowser.bat
@@ -9,29 +9,31 @@ if exist "%ProgramFiles(x86)%\I2P" (
   set "I2PPath=%ProgramFiles(x86)%\I2P"
 )
 
-netstat /o /a | find /i "listening" | find ":7657" >nul 2>nul && (
-   echo I2P is already running
-) || (
-  if exist "%ProgramFiles%\I2P\jpackaged" (
-    start "i2p" /D "%LOCALAPPDATA%\I2P" "%I2PPath%\i2p.exe"
-  ) else (
-    start "i2p" "%I2PPath%\i2p.exe"
-  )
+set "I2PPath=%LocalAppData%\I2P\"
+if exist "%LocalAppData%\I2P\I2P.exe" (
+  set "I2PPath=%LocalAppData%\I2P\"
 )
 
-
-
+if exist "%I2PPath%\jpackaged" (
+  cd "%LOCALAPPDATA%\I2P"
+  start "i2p" /D "%LOCALAPPDATA%\I2P" "%I2PPath%\i2p.exe"
+) else (
+  start "i2p" "%I2PPath%\i2p.exe"
+)
 
 timeout /t 3
 
 if exist "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\" (
   echo "profile is configured, updating extensions"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\extensions"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\extensions"
 ) else (
   echo "configuring profile"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p"
 )
 
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\user.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\user.js"
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.i2p\prefs.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\prefs.js"
+
 if exist "%USERPROFILE%/Desktop/Tor Browser/Browser/firefox.exe" (
   start "i2pbrowser" "%USERPROFILE%/Desktop/Tor Browser/Browser/firefox.exe" -no-remote -profile "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p" -url %1
   exit
diff --git a/src/win/i2pconfig.bat b/src/win/i2pconfig.bat
index 53916ad..b66e1c5 100644
--- a/src/win/i2pconfig.bat
+++ b/src/win/i2pconfig.bat
@@ -1,13 +1,30 @@
-@echo off
+@echo on
+
+set "I2PPath=%ProgramFiles%\I2P\"
+if exist "%ProgramFiles%\I2P\" (
+  set "I2PPath=%ProgramFiles%\I2P\"
+)
+
+if exist "%ProgramFiles(x86)%\I2P" (
+  set "I2PPath=%ProgramFiles(x86)%\I2P"
+)
+
+set "I2PPath=%LocalAppData%\I2P\"
+if exist "%LocalAppData%\I2P\I2P.exe" (
+  set "I2PPath=%LocalAppData%\I2P\"
+)
 
 if exist "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p\" (
   echo "profile is configured"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.i2p\extensions"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.config.i2p\extensions" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p\extensions"
 ) else (
   echo "configuring profile"
-  xcopy /s /i /y "%ProgramFiles%\I2P\I2PBrowser-Launcher\firefox.profile.config.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p"
+  xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.config.i2p" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p"
 )
 
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.config.i2p\user.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p\user.js"
+xcopy /s /i /y "%I2PPath%\I2PBrowser-Launcher\firefox.profile.config.i2p\prefs.js" "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p\prefs.js"
+
 if exist "%ProgramFiles%\Mozilla Firefox\firefox.exe" (
   start "i2pbrowser" "%ProgramFiles%\Mozilla Firefox\firefox.exe" -no-remote -profile "%LOCALAPPDATA%\I2PBrowser-Launcher\firefox.profile.config.i2p" -url %1
   exit