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Firefox not responding after hours being idle (hangup ) in version 118.0.1

Making moves

For the past two mornings, I am finding Firefox is not responding when I come to my Windows 11 computer in the morning, after Firefox has been open all night. I have had to shut down Firefox to resolve the problem.

I have Firefox Release118.0.1 and I see it came out September 28, 2023. For Windows, I have 2023-09 Cumulative Update Preview for Windows 11 Version 22H2 for x64-based Systems (KB5030310) and it was installed on October 2, 2023.

Two days ago, Firefox sent in a crash report, and today I saw a message that a report was being sent to Windows. Microsoft report shows a hangup in Firefox.


An older tech support post on hangups is not helpful (