firefox quits working after amount of time
Closing as a duplicate. Please see and continue with https://support.mozilla.org/questions/1158680#answer-964590
after an arbitrary amount of time, firefox stops connecting to sites. Works fine for a while then fails. Close out the app and restart it and works for a while then stops again. I have removed all add-ins, reset the browser, uninstalled and reinstalled and still same issue.
Wót John99
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Please see and continue with https://support.mozilla.org/questions/1158680#answer-964590