I am running Windows XP Professional. Lately, for reasons I cannot understand, I get the error message "Windows cannot read from this disk. The disk might be corrupted, or it could be using a format that is not compatible with Windows" whenever I try to load a disk in either one of my disk drives. They are all attached properly and recognized as running fine by the device manager. The odd thing is I get the exact same error message when trying to load disk images on my VIRTUAL drives as well! To add more oddity the disk drive reads a movie DVD just fine, but absolutely no data cds or dvds, and no audio cds either. All deliver the exact same error message. I have been at the end of my rope and tried to reinstall XP, but since the computer won't recognize the installation disk at startup it ignores my instructions to boot up from the disk drive and simply loads XP again. I really need help. System Restore does absolutely nothing.