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firefox crashing on latest ESR version

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Hello! Our company has had this issue since May of 2020. out of 170 users, we will have 3 or 4 users per day crashing at random times. we cannot recreate the crashing on demand, its random times, random pcs. we are running the latest ESR version we do have a handful of PCs on the non ESR version also crashing. nothing in their extensions. we have tried running in safe mode and renaming the storage folder for some of the repeat users PCs but the crashing persists after a few days. we had all users refresh firefox but it will also happen again after a few days. we have tried setting a different home page for some users but they still get it. the only fix is to reinstall firefox and it will work fine for a few days but then will happen again. when they are in the crash cycle, nothing will get FF to open, only reinstall. FF is the default browser since some of our vendors require it. any help would be appreciated!

here are some of the users crash reports. I cant tell what is causing the crashes. we do have mcafee AV and have tested removing Endpoint security modules but still got crashing.