System Restore in Windows XP appear
Step Undo System Restore Windows XPTo return to Windows XP and void the last restoration should proceed as follows:
Log on to Windows as an administrator
Click Start, point to All Programs, Accessories, System Tools, and then click System Restore
On the System Restore page, click Undo my last restoration, and then click Next.
If a System Restore message that lists configuration changes that will appear click OK
On the Confirm Restoration Undo page, click Next.
Windows XP system restore back to the original settings and then restart the computer
Log on to the computer as an administrator.
Click OK to finish.