Using DELTREE.EXE u can simply delete unnecessary files like cookies, history, temp, applog and recent files. Just highlight then copy and paste in notepad.exe and save as batch file eg. clean.bat

@ECHO OFF
rem ================================
IF EXIST C:\WINDOWS\RECENT\*.* DELTREE /Y C:\WINDOWS\RECENT\*.*
IF EXIST C:\WINDOWS\COOKIES\*.* DELTREE /Y C:\WINDOWS\COOKIES\*.*
IF EXIST C:\WINDOWS\HISTORY\*.* DELTREE /Y C:\WINDOWS\HISTORY\*.*
IF EXIST C:\WINDOWS\APPLOG\*.* DELTREE /Y C:\WINDOWS\APPLOG\*.*
IF EXIST C:\RECYCLED\*.* DELTREE /Y C:\RECYCLED\*.*
IF EXIST C:\WINDOWS\TEMP\*.* DELTREE /Y C:\WINDOWS\TEMP\*.*
IF EXIST C:\WINDOWS\TEMPOR~1\CACHE1\*.* DELTREE /Y C:\WINDOWS\TEMPOR~1\CACHE1\*.*
IF EXIST C:\WINDOWS\TEMPOR~1\CACHE2\*.* DELTREE /Y C:\WINDOWS\TEMPOR~1\CACHE2\*.*
IF EXIST C:\WINDOWS\TEMPOR~1\CACHE3\*.* DELTREE /Y C:\WINDOWS\TEMPOR~1\CACHE3\*.*
IF EXIST C:\WINDOWS\TEMPOR~1\CACHE4\*.* DELTREE /Y C:\WINDOWS\TEMPOR~1\CACHE4\*.*
IF EXIST C:\WINDOWS\TEMPOR~1\*.* DELTREE /Y C:\WINDOWS\TEMPOR~1\*.*
ECHO ***********************
ECHO shasta007@eudoramail.com
ECHO COPYRIGHT -=[H2cKcR2D35T 2003]=-
ECHO ****************************
rem ================================
cls