@ECHO OFF
> %TEMP%.\noYMads.reg ECHO REGEDIT4
>>%TEMP%.\noYMads.reg ECHO.
>>%TEMP%.\noYMads.reg ECHO [HKEY_CURRENT_USER\Software\Yahoo\Pager\YUrl]
>>%TEMP%.\noYMads.reg ECHO "Messenger Ad"="*"
>>%TEMP%.\noYMads.reg ECHO "Webcam Upload Ad"="*"
>>%TEMP%.\noYMads.reg ECHO "Webcam Viewer Ad"="*"
>>%TEMP%.\noYMads.reg ECHO "Webcam Viewer Ad Big"="*"
>>%TEMP%.\noYMads.reg ECHO "Webcam Viewer Ad Medium"="*"
>>%TEMP%.\noYMads.reg ECHO "Change Room Banner"="*"
>>%TEMP%.\noYMads.reg ECHO "Conf Adurl"="*"
>>%TEMP%.\noYMads.reg ECHO "Chat Adurl"="*"
>>%TEMP%.\noYMads.reg ECHO "Y Content"="*"
REGEDIT /S %TEMP%.\noYMads.reg
DEL %TEMP%.\noYMads.reg

ATTRIB -R "%PROGRAMFILES%\Yahoo!\Messenger\Cache\urls.xml"
ECHO "" >"%PROGRAMFILES%\Yahoo!\Messenger\Cache\urls.xml" 
ATTRIB +R "%PROGRAMFILES%\Yahoo!\Messenger\Cache\urls.xml"