Dealing with Tampered Containers in FileMaker Pro | Cimbura.com | Learning Claris FileMaker | Scoop.it
This “Tampered” error happens when an externally stored container image in FileMaker is altered by another application or operation outside out the FileMaker.

 

For example, you might go into the directory and resize the image.

It’s not entirely intuitive how you might get the image back.

Here’s the solution ...

 

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