|  |  | # Frequently Asked Questions and Troubleshooting
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- How long should the clone or backup take?
- Can CCC back up my BootCamp (Windows) partition?
- "The disk usage on the destination doesn't match the source -- did CCC miss some files?"
- Will CCC clone Apple's "Recovery HD" partition?
- Some applications behave differently or ask for the serial number on the cloned volume. Did CCC miss something?"
- "A block-level copy cannot proceed due to media errors"
- Getting more information about what is happening during the backup
- Can I run a backup while I'm using my computer? If I have open files, will they be backed up?
- What makes a volume bootable?
- Can I back up one computer and use the clone to restore another computer?
- Computer-specific preference files -- caveats to migrating to a new computer
- Cloning a Time Machine backup
- Antivirus software may interfere with a backup
- "CCC found multiple volumes with the same Universally Unique Identifier"
- I have a clone created by another application. Will CCC recognize that data, or will it want to recopy everything?
- Finder or App Store finds other versions of applications on the backup volume