Data Recovery Software
Partition Manager Software
Data Backup Software
Data Security SoftwareIf partition is corrupted in windows, possible (but not all) symptoms are:

If you want to recover files from RAW drives, especially under Windows Vista/2008/Windows 7, our ALL-IN-ONE data recovery solution - EASEUS Partition Master is highly recommended. Besides data recovery feature, it also provides Partition Manager and Disk & Partition Copy for better partition management. Home Edition is FREE for home users.
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See also: How to recover files from RAW hard drive?