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  1. #1
    Question Question on TM Backup
    I just completed my initial TM backup on an external HD. When I attempt to open an application on the external HD, I get the following error message: "An unexpected error occurred (error code - 10657)". This seems to be the case with all applications. However, I can open documents just fine.

    Can someone please help? Thank you.

  2. #2
    Question on TM Backup

    Member Since
    Jan 19, 2009
    Your Mac's Specs
    imac V10.5.6 2.66GHZ
    Angry Hi kitjv
    I am having the same problem with this error code 10657 but its only in iPhoto all other programs sem to be functioning ok but like you I can't back up via Time Machine and I am not having any success with anyone who can help, not even apple support!!!! So much for Macs not crashing (lol) please let me know if anyone replies to your post and I will do the same for you, Thanks Probo

  3. #3
    Question on TM Backup
    osxx's Avatar
    Member Since
    Jan 19, 2008
    houston texas
    Your Mac's Specs
    09 MBP 8GB ram 500GB HD OS 10.9 32B iPad 4 32GB iPhone 5 iOs7 2TB TC Apple TV3
    IF you google( error code 10657 on a mac) there is a different solution for both
    kitty and probo.

  4. #4
    Everytime time machine backups a data into our external HD it saves it into a format that only Time machine can read. So if you enter Time machine and click on an application it will open however if you do it manually and went straight ahead to your backup file and opened a file or the app from there it is most likely that you will encounter this error.

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