Thread: Bogus "Not a Valid Picture" Errors
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Old 09-17-2021, 01:25 PM   #6
jhowell
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Quote:
Originally Posted by johnelle View Post
If I Edit Metadata on any entry and hit the browse button under "Change Cover" and try to open the file "Test2.jpg" I get the error:

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calibre, version 5.27.0
ERROR: Not a valid picture: C:\Users\johne\Desktop\Test2.jpg is not a valid picture
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Doing the same works for me without any error.

Are you using 32 or 64 bit calibre? The 32-bit version can have trouble with large files.

Some other possibilities are a corrupted calibre installation or overly aggressive antivirus software.
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