My Samsung HD103UJ 1TB hard drive is apparently failing, as Windows periodically gives me the following message: http://thevistaforums.com/uplo...t-41685-1224809141.jpg The actual text is [Window Title] Microsoft Windows [Main Instruction] Windows detected a hard disk problem [Content] Back up your files immediately to prevent information loss, and then contact the computer manufacturer to determine if you need to repair or replace the disk. [^] Hide details [Start the backup process] [Ask me again later] [Don't ask me about this problem again (not recommended)] [Cancel] [Expanded Information] Immediate steps Because a disk failure will cause you to lose all programs, files and documents on the disk, you should back up your important information immediately. Try not to use your computer until you have repaired or replaced the hard disk. Which disk is failing? The following hard disks are reporting failure: Disk Name: SAMSUNG HD103UJ ATA Device Volume: C:\ I'm not sure what's wrong, though I run several VMware VMs at once, and due to power cuts or whatever they tend to get corrupt over time, and I've had to rebuild a few. The PC is working fine it seems, just getting this message. What diagnostics utilities should I run/steps should I take?