diff --git a/prefsCleaner2.bat b/prefsCleaner2.bat
new file mode 100644
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--- /dev/null
+++ b/prefsCleaner2.bat
@@ -0,0 +1,108 @@
+@ECHO OFF & SETLOCAL DisableDelayedExpansion
+TITLE prefs.js cleaner
+
+REM ### prefs.js cleaner for Windows
+REM ## author: @claustromaniac
+REM ## version: 2.1
+
+:begin
+ECHO:
+ECHO:
+ECHO                 ########################################
+ECHO                 ####  prefs.js cleaner for Windows  ####
+ECHO                 ####        by claustromaniac       ####
+ECHO                 ####              v2.1              ####
+ECHO                 ########################################
+ECHO:
+CALL :message "This script should be run from your Firefox profile directory."
+ECHO   It will remove any entries from prefs.js that also exist in user.js.
+CALL :message "This will allow inactive preferences to be reset to their default values."
+ECHO   This Firefox profile shouldn't be in use during the process.
+CALL :message ""
+TIMEOUT 1 /nobreak >nul
+CHOICE /C SHE /N /M "Start [S] Help [H] Exit [E]"
+CLS
+IF ERRORLEVEL 3 (EXIT /B)
+IF ERRORLEVEL 2 (GOTO :showhelp)
+IF NOT EXIST "user.js" (CALL :abort "user.js not found in the current directory." 30)
+IF NOT EXIST "prefs.js" (CALL :abort "prefs.js not found in the current directory." 30)
+CALL :FFcheck
+CALL :message "Backing up prefs.js..."
+SET "_time=%time: =0%"
+COPY /B /V /Y prefs.js "prefs-backup-%date:/=-%_%_time::=.%.js"
+CALL :message "Cleaning prefs.js..."
+CALL :cleanup
+CALL :message "All done!"
+TIMEOUT 5 >nul
+ENDLOCAL
+EXIT /B
+
+REM ########## Abort Function ###########
+:abort
+CALL :message %1
+TIMEOUT %~2 >nul
+EXIT
+REM ########## Message Function #########
+:message
+ECHO:
+ECHO:  %~1
+ECHO:
+GOTO :EOF
+REM ####### Firefox Check Function ######
+:FFcheck
+TASKLIST /FI "IMAGENAME eq firefox.exe" 2>NUL | FIND /I /N "firefox.exe">NUL
+IF NOT ERRORLEVEL 1 (
+	CLS
+	CALL :message "Firefox is still running."
+	ECHO   If you're not currently using this profile you can continue, otherwise
+	CALL :message "close Firefox first!"
+	ECHO:
+	PAUSE
+	CLS
+	CALL :message "Resuming..."
+	TIMEOUT 5 /nobreak >nul
+)
+GOTO :EOF
+REM ######### Cleanup Function ##########
+:cleanup
+FOR /F tokens^=2^ delims^=^'^" %%G IN ('FINDSTR /R /C:"^[^\"']*user_pref[ 	]*\([ 	]*[\"'][^\"']*[\"'][ 	]*," user.js') DO (
+	IF NOT ""=="%%G" (SET "[%%G]=1")
+)
+(
+	FOR /F "tokens=1,* delims=:" %%G IN ('FINDSTR /N "^" prefs.js') DO (
+		IF ""=="%%H" (
+			ECHO:
+		) ELSE (
+			FOR /F tokens^=1^,2^ delims^=^"^' %%I IN ("%%H") DO (
+				IF NOT DEFINED [%%J] (ECHO:%%H)
+			)
+		)
+	)
+)>tempcleanedprefs
+MOVE /Y tempcleanedprefs prefs.js
+GOTO :EOF
+REM ############### Help ##################
+:showhelp
+MODE 80,34
+CLS
+CALL :message "This script creates a backup of your prefs.js file before doing anything."
+ECHO   It should be safe, but you can follow these steps if something goes wrong:
+ECHO:
+CALL :message "  1. Make sure Firefox is closed."
+ECHO     2. Delete prefs.js in your profile folder.
+CALL :message "  3. Delete Invalidprefs.js if you have one in the same folder."
+ECHO     4. Rename or copy your latest backup to prefs.js.
+CALL :message "  5. Run Firefox and see if you notice anything wrong with it."
+ECHO     6. If you do notice something wrong, especially with your extensions,
+CALL :message "     and/or with the UI, go to about:support, and restart Firefox with"
+ECHO        add-ons disabled. Then, restart it again normally, and see if the
+CALL :message "     problems were solved."
+ECHO:
+CALL :message "If you are able to identify the cause of your issues, please bring it up"
+ECHO   on ghacks-user.js GitHub repository.
+ECHO:
+ECHO:
+PAUSE
+CLS
+GOTO :begin
+REM #####################################