Your photo library is either in use by another application or has become unreadable

When opening iPhoto you get the following error:

“Your photo library is either in use by another application or has become unreadable”

1. Download iPhoto Library Manager from www.fatcatsoftware.com/iplm/

2. For your photo library Click file > rebuild

3. Wait for it to rebuild your library.

Not everything will be restored – for instance slideshows, books and calendars.

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