This may be a long shot, but could fix the problem. You may have some corrupt Windows files, causing the communcation errors and copying/scanning problems. User interface files might be related to Windows system files somehow. What has worked for me very well in the past to fix Windows XP issues is to run a repair install of Windows XP using the XP CD. Boot to CD, press Enter on the first screen (as if you are going to be installing XP for the first time), press F8 to agree to the Terms, then on the next screen, you should get the option to repair Windows XP, by pressing "R". That won't erase your current install, but rather just install the system files, thus repairing/replacing any corrupt files that might be there. It's worth a shot, can't guarantee it will fix your problem, but it might.