Error code -51when copying files

I am getting error code -51 when trying to copy files from one hard drive to another hard drive inside of my mac pro pc... all internal drives within the pc itself. I can get this far, but it does not tell me how to solve the problem..
http://www.cwu.edu/~lynnl/nvec.html

Error -51
a read/write error has occurred (-51)
Try running Disk Utility Repair Drive on the other internal drives.
What format are the other drives? Are they formatted as exFAT, NTFS, GUID, Apple Partition Map
It's possible the file is corrupt. Try dragging a different file to test.

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    I got this error whenever copy file from my external HD to my macbook (internal HD).
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    The files may be from the old user account and not accessible from the new one. I found this article, though see that it may not be current.:
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    Pondini's guide also covers this topic, but it may be hard to find the relevant bit of information.
    http://pondini.org/OSX/Transfer.html
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  • My Time Capsule has stopped backing up.  I have an Apple Time Capsule which backs up by wireless. For the last 3 days it has not backed up. I get this message: "The backup was not performed because an error occurred while copying files to the backup disk.

    My Time Capsule has stopped backing up.
    I have an Apple Time Capsule which backs up by wireless. For the last 3 days it has not backed up. I get this message:
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    Hello,
    Thanks to the great Pondini...
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  • Unable to complete backup. An error occurred while copying files to backup

    I erased and restarted my time capsule numerous times and tried re backing up. Little more then have way through i get this message "Unable to complete backup. An error occurred while copying files to the backup volume." With about 80gb left out of 198. On the apple support page ALL it says is ".Restart, then try the backup once again" Here is the link http://support.apple.com/kb/HT3275#3 ....PLEASE Help Me .. What Do I do.. I have read almost every topic and article regarding this ERROR 11 and found nothing and i tried i think all all..The new snow leopard comes out tomorrow so im going to install that and try again.. also if this does not ever work is there a way just to store all my music and photos in the tc and restart my whole computer the archive my files from there ??
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  • Time machine: An error occurred while copying files. The problem could be temporary. If the problem persists, use Disk Utility to repair your backup disk.

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  • An error occurred while copying files.

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    RáNdÓm GéÉzÁ
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    Using DD or CCC is no option for me, I don't want downtime and I want incremental backups. So I started to investigate.
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  • Error Warning that Time Machine couldn't complete the backup to disk, an error occurred while copying files.

    I've been getting this warning on my MBA for the last week: "Time Machine couldn’t complete the backup to “LaCie-2big-NAS.” an error occurred while copying files. The problem may be temporary. If the problem persists, us Disk Utility to repair your backup disk."
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    You can't repair a network volume in Disk Utility.
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  • Recent backups fail: "An error occurred while copying files to the volume."

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  • The backup was not performed because an error occured while copying files to the backup disk

    I continually see the error message "The backup was not performed because an error occured while copying files to the backup disk" when my time capsule attempts to backup. I have been receiving this message since 14/08/13. I have attempted to locate the file which is preventing the back up and I have not been able to locate it. Any help will be appreciated
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    Do a verify on the local disk and on the TC..
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  • Using Time Machine to back up two systems, OS10.8.3, and OS 10.6.8. Sometimes it backs them up, sometimes I receive this: Backup was not performed because an error occurred while copying files to the backup disc. The problem may be temporary...

    Using Time Machine to back up two systems, OS10.8.3, and OS 10.6.8. Sometimes it backs them up, sometimes I receive this: Backup was not performed because an error occurred while copying files to the backup disc. The problem may be temporary...

    Hello,
    Thanks to the great Pondini...
    http://pondini.org/TM/C3.html

  • Time Machine Error: "An error occurred while copying files. The problem may be temporary. If the problem persists, use Disk Utility to repair your backup disk."

    I have a MacBook Pro 2.8 GHz Intel Core 2 Duo with 4GB, 500GB HDD, running 10.8.2 My computer as been running slow and fearing my HDD might die. I bought a brand new 1TB G-Drive from Apple yesterday and started my back up. It gets to just over 22GB backed up then I get this error message:
    "An error occurred while copying files. The problem may be temporary. If the problem persists, use Disk Utility to repair your backup disk."
    Anyone out there who might be able to help me fix this?

    I have a MacBook Pro 2.8 GHz Intel Core 2 Duo with 4GB, 500GB HDD, running 10.8.2 My computer as been running slow and fearing my HDD might die. I bought a brand new 1TB G-Drive from Apple yesterday and started my back up. It gets to just over 22GB backed up then I get this error message:
    "An error occurred while copying files. The problem may be temporary. If the problem persists, use Disk Utility to repair your backup disk."
    Anyone out there who might be able to help me fix this?

  • HT3275 Time Machine error. Unable to complete backup. An error occurred while copying files to the backup volume. Tried restarting, remounting external WD drive. Still cannot backup.

    Time Machine quit backing up files. Bought a new WD external drive. Worked for awhile, then quit backing up. Tried restarting computer, remounting drive. Message: Time Machine Error. Unable to complete backup. An error occurred when copying files. Suggestions?

    Thanks so very much for your help!! I'm boggled by it and now just about ready to dump the whole idea of Time Machine and backup using a cloning program. Maybe TM is only guaranteed to work well with Time Capsule these days?
    Today there again was no backup. I did as you suggested, looked into Console. It showed many lines of "(Error) DiskStore: No block in wakeup" and also repeatedly "(Warning) DiskStore: Ignored bogus fetch...".
    So I created a marker and attempted to initiate a backup, keeping Console open and refreshed. Here's what I got:
    8/19/13 5:18:40.385 PM Console:  Marker - Aug 19, 2013 5:18:40 PM
    8/19/13 5:19:48.844 PM com.apple.backupd: Starting standard backup
    8/19/13 5:20:00.484 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.484 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.484 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.494 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.502 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.506 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.507 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.507 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.507 PM mds: (Error) DiskStore: No block in wakeup
    8/19/13 5:20:00.507 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:37ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.507 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:37ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.507 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:37ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.507 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:37ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.507 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:37ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.508 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:38ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.510 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:40ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.511 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:41ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.511 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:41ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:00.511 PM mds: (Warning) DiskStore: Ignored bogus fetch for <MDSQueryWithBlockTask: 0x7fd15ce03400>{taskID:0x0000103a age:41ms} (not live not complete) _kMDItemQueryPath=418546
    8/19/13 5:20:20.000 PM kernel: USBF:          58091.976          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:20:51.000 PM kernel: USBF:          58122.985          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:21:22.000 PM kernel: USBF:          58153.992          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:21:53.000 PM kernel: USBF:          58185.  2          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:22:24.000 PM kernel: USBF:          58216. 14          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:22:55.000 PM kernel: USBF:          58247. 25          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:23:26.000 PM kernel: USBF:          58278. 41          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:23:57.000 PM kernel: USBF:          58309. 51          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:24:28.000 PM kernel: USBF:          58340. 59          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:24:59.000 PM kernel: USBF:          58371. 68          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:25:30.275 PM xpchelper: for uid: 501 -- timeout while waiting on FSEvents flush; clearing cache.
    8/19/13 5:25:30.000 PM kernel: USBF:          58402. 82          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:26:01.000 PM kernel: USBF:          58433. 96          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:26:32.027 PM com.apple.backupd: Backing up to: /Volumes/TMBackups/Backups.backupdb
    8/19/13 5:26:32.000 PM kernel: USBF:          58464.112          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:27:02.653 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/TMBackups/Backups.backupdb/David’s iMac size:37
    8/19/13 5:27:02.657 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/TMBackups/Backups.backupdb/David’s iMac size:37
    8/19/13 5:27:03.000 PM kernel: USBF:          58495.121          AppleUSBEHCI[0xffffff800a927000]::Found a transaction past the completion deadline on bus 0xfd, timing out! (Addr: 7, EP: 1)
    8/19/13 5:27:12.668 PM com.apple.backupd: Backup failed with error: 2
    During this 9-minute timeframe Finder also was inoperative - according to Activity Monitor: "Not Responding".
    I'm thinking it's the standalone Buffalo backup drive not waking up, and so everything comes to a screeching halt. Do you also think I should abandon TM and just do manual backups every day using a clone program?

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