LB closes without saving

Using Windows desktop without CNC attached. If I create a file in LB v 1.1.03 and click ‘Save’, LB will wait 3 to 5 seconds and close without saving.
I’ve checked for Windows updates and removed and reinstalled LB. No change.

You have a Dell laptop, so it’s most likely their dumb backup tool’s thumbnail preview generator causing LightBurn to crash. Run LightBurn, go to Edit > Settings, then click the ‘File Settings’ button, and click this:

That fixed it.
thank you
fred

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