When you try to take a screenshot with the popular Snagityou can get ‘Failed to save document’ error, this can mainly be caused by the security software installed on your computer. Is there a way to stop Snagit from throwing this error dialog on you without uninstalling the conflicting antivirus, here’s how it can be done.
1. Open File Explorer or Windows Explorer, visit Documents folder,
2. Right click on the Snagit folder and select Properties, uncheck the Only reading checkbox and click OK, and delete Snagit folder.
Now try to capture any area or dialog present on the screen with Snagit, it will capture without showing any error.
READ: Why is Snagit showing unable to capture this text error dialog?
Where do unsaved captures in Snagit go?
If that doesn’t help, try uninstalling the security software that was causing the problem.
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See also: Error: There was a problem loading Share History