@echo off
if %1=="" goto badend
echo First we will create a dummy file to replace your cookies.
echo Type a letter, hit CTRL-Z simultaneously, then Enter.
copy con c:\c1
echo Created!
echo
echo This program will delete all permanent cookies in both Netscape and
echo Windows/Internet Explorer. If you are running this on Windows 95/98/Me
echo you should have put CLEAN C:\WINDOWS.
echo If you use NT or Windows 2000 you should have put CLEAN C:\WINNT
echo If Windows is installed on another disk you may substitute the
echo appropriate drive letter.
echo You put CLEAN %1
echo If this is not correct please hit CTRL-C and Enter now. Otherwise
echo Press any other key three times to continue.
pause
pause
pause
echo This program assumes that your copy of Windows is in the %1
echo directory and that your Netscape is in the
echo C:\PROGRA~1\NETSCAPE\USERS\DEFAULT directory (folder) and that
echo Opera (if you have it) is in the C:\PROGRA~1\OPERA directory.
echo If not, you may need to manually do this.
echo Finally, understand that by continuing, you will lose all information
echo stored in your cookies. If you want to stop now, Hit CTRL-C then ENTER.
echo With Mozilla or Netscape 6.x or above, you will have to do a manual
echo Find from Window's Start menu and look for a file called cookies.txt
echo probably located in a folder beneath your %1\Application Data folder
echo Delete this and replace it with a dummy file and mark it Read Only.
echo Do the same for a file also located in that folder called
echo Netscape.hst.
echo Hit CTRL-C then Enter to abort or any other key 3 times to continue
pause
pause
pause

C:

attrib -r -h -s C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\COOKIES.TXT
if not errorlevel==0 goto nons
del C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\COOKIES.TXT
copy C:\C1 C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\COOKIES.TXT
attrib +r C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\COOKIES.TXT
echo Netscape 2.0 - 4.79 Cookies erased.
attrib -r -h -s C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\NETSCAPE.HST
if not errorlevel==0 goto nons
del C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\NETSCAPE.HST
copy C:\C1 C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\NETSCAPE.HST
attrib +r C:\PROGRA~1\NETSCAPE\USERS\DEFAULT\NETSCAPE.HST
echo Netscape 2.0 - 4.79 History erased.
goto opera
:nons
echo Either you don't have Netscape or Mozilla on your system, or it wasn't
echo located in C:\PROGRA~1\NETSCAPE\USERS\DEFAULT (progra~1 also appears
echo as Program Files in Windows.)

:opera
attrib -r -h -s C:\PROGRA~1\OPERA\COOKIES4.*
if not errorlevel==0 goto noopera
del C:\PROGRA~1\OPERA\COOKIES4.*
copy C:\C1 C:\PROGRA~1\opera\COOKIES4.DAT
copy C:\C1 C:\PROGRA~1\opera\COOKIES4.NEW
copy C:\C1 C:\PROGRA~1\opera\COOKIES4.OLD
attrib +r C:\PROGRA~1\OPERA\COOKIES4.*
echo Opera Cookies erased.
del C:\PROGRA~1\OPERA\VLINK4.DAT
copy C:\C1 C:\PROGRA~1\opera\VLINK4.DAT
attrib +r C:\PROGRA~1\OPERA\VLINK4.DAT
ECHO Opera history database erased.
goto rpc
:noopera
echo Either you don't have Opera, or it wasn't located in C:\PROGRA~1\OPERA
echo (progra~1 also appears as Program Files in Windows.)
:rpc
cd %1
deltree /y %1\cookies
deltree /y %1\temp\cookies
if not errorlevel==0 goto error1
md %1\cookies
md %1\temp\cookies
copy C:\C1 %1\cookies\INDEX.DAT
copy C:\C1 %1\cookies\DESKTOP.INI
copy C:\C1 %1\temp\cookies\INDEX.DAT
attrib +r %1\cookies\index.dat
attrib +r %1\cookies\desktop.ini
attrib +r %1\temp\cookies\desktop.ini
echo Internet Explorer Cookies erased.
goto hist

:error1
echo Could not find %1\COOKIES directory on C: drive.
:hist
cd %1
deltree /y %1\history
deltree /y %1\temp\history
if not errorlevel==0 goto error2
md %1\history
md %1\temp\history
md %1\temp\history\history.ie5
copy C:\C1 %1\history\INDEX.DAT
copy C:\C1 %1\history\DESKTOP.INI
copy C:\C1 %1\temp\history\INDEX.DAT
copy C:\C1 %1\temp\history\history.ie5\INDEX.DAT
md %1\history\HISTORY.IE4
md %1\history\HISTORY.IE5
md %1\history\HISTORY.IE6
copy C:\C1 %1\history\HISTORY.IE4\INDEX.DAT
copy C:\C1 %1\history\HISTORY.IE4\DESKTOP.INI
copy C:\C1 %1\history\HISTORY.IE5\INDEX.DAT
copy C:\C1 %1\history\HISTORY.IE5\DESKTOP.INI
copy C:\C1 %1\history\HISTORY.IE6\INDEX.DAT
copy C:\C1 %1\history\HISTORY.IE6\DESKTOP.INI
copy C:\C1 %1\temp\history\INDEX.DAT
copy C:\C1 %1\temp\history\history.ie5\INDEX.DAT
attrib +r %1\history\*.* /s
attrib +r %1\temp\history\*.* /s
echo Internet Explorer History erased.
goto temfiles

:error2
echo Could not find %1\HISTORY directory on C: drive.

:temfiles
cd %1\tempor~1
if not errorlevel==0 goto error3
attrib -r -h -s %1\tempor~1\*.* /s
del *.DAT
del *.TXT
echo If you see any messages saying File or Path Not Found don't worry.
copy C:\C1 %1\tempor~1\INDEX.DAT /y
copy C:\C1 %1\tempor~1\DESKTOP.INI /y
copy C:\C1 %1\tempor~1\CONTENT.IE4\INDEX.DAT /Y
copy C:\C1 %1\tempor~1\CONTENT.IE4\DESKTOP.INI /Y
copy C:\C1 %1\tempor~1\CONTENT.IE5\INDEX.DAT /Y
copy C:\C1 %1\tempor~1\CONTENT.IE5\DESKTOP.INI /Y
copy C:\C1 %1\tempor~1\CONTENT.IE6\INDEX.DAT /Y
copy C:\C1 %1\tempor~1\CONTENT.IE6\DESKTOP.INI /Y
attrib +r %1\tempor~1\INDEX.DAT
attrib +r %1\tempor~1\DESKTOP.INI
attrib +r %1\tempor~1\CONTENT.IE4\INDEX.DAT
attrib +r %1\tempor~1\CONTENT.IE4\DESKTOP.INI
attrib +r %1\tempor~1\CONTENT.IE5\INDEX.DAT
attrib +r %1\tempor~1\CONTENT.IE5\DESKTOP.INI
attrib +r %1\tempor~1\CONTENT.IE6\INDEX.DAT
attrib +r %1\tempor~1\CONTENT.IE6\DESKTOP.INI
echo Internet Explorer Temporary Files erased.
echo Success!
echo Don't forget to delete me from your C:\AUTOEXEC.BAT file!
goto end
:error3
echo Could not find %1\TEMPORARY FILES directory on C: drive.
goto end
:badend
Echo You need to put either C:\WINDOWS or C:\WINNT. The command should look
echo like C:\CLEAN.BAT C:\WINDOWS or C:\CLEAN C:\WINNT. You may substitute
echo the appropriate drive letter on which Windows or NT is installed.
:end
echo on

    Source: geocities.com/yosponge