I performed a disk cleanup, checked all the box options it gave me however after it had completed a received this message from Windows"Files that are required for Windows to run properly have been replaced with unrecognized versions. To maintain system stability, Windows must restore the original versions of this files.Insert your Windows XP Professional CD2 now"As far as i am aware i do not own one of these CD's and do not understand why disk cleanup would replace files if they are necesary to my computer.I can't afford to buy another CD or to get professional Microsoft help.If anyone has any explanations i'd be very gratefulThank youHellzz1 person needs an answerI do too

Win Pro sp2 is what the msg says, do you have a winxp cd or only a recovery cd?

I performed a disk cleanup, checked all the box options it gave me however after it had completed a received this message from Windows"Files that are required for Windows to run properly have been replaced with unrecognized versions. To maintain system stability, Windows must restore the original versions of this files.Insert your Windows XP Professional CD2 now"As far as i am aware i do not own one of these CD's and do not understand why disk cleanup would replace files if they are necesary to my computer.I can't afford to buy another CD or to get professional Microsoft help.If anyone has any explanations i'd be very gratefulThank youHellzz==============================Doing a System Restore in Safe Mode to a time before you did the Disk Cleanup might be worth a try.***Proceed At Your Own Risk***See the following articles:(306084) How to restore Windows XP to a previous statehttp://support.microsoft.com/?kbid=306084How to Restore a Windows XP system to a previous State using System Restorehttp://bertk.mvps.org/ (315222) A Description of the Safe ModeBoot Options in Windows XPhttp://support.microsoft.com/?kbid=315222How to boot into Safe Mode in Windows XPhttp://bertk.mvps.org/html/safemode.htmlVolunteer J - MS-MVP - Digital Media Experience - Notice_This is not tech support_I am a volunteer - Solutions that work for me may not work for you - ***Proceed at your own risk***