I guess there are already threads dedicated to this subject - which files and folders you can safely delete from a Windows XP partition without having any problem. Unfortunately I cant'd find them ...

To run it, search for Disk Cleanup in the Start menu, select the drive with update files (this is usually the C drive), and ...

How to Reload Windows XP Without Removing Files. Deleting system files, modifying the registry and installing incompatible drivers to Windows XP can damage the integrity of the operating system ...

Warnings While removing a drive letter for a network drive or virtual drive doesn't delete any files, it may cause errors in applications that try to retrieve a file using the deleted drive letter.

AVG Anti-Virus 8 Anti-Virus 8 is a free antivirus program that is compatible with various Windows systems, including Windows 2000, Windows XP, Windows XP Pro x64, Windows Vista, and Windows Vista x64.

How to delete a file being used by another program Here are some practical ways to dodge the pop-up and delete files that are in use by a program on your Windows PC.