bp-95e19233-fbfb-4123-9def-e42980210205 Signature: OOM | small MOZ_CRASH Reason (Sanitized) : [unhandlable oom] Failed to allocate elements while tenuring. Crash Reason EXCEPTION_BREAKPOINT xul.dll = Firefox

Basically, an OOM (Out Of Memory) means the system is having issues with the RAM. https://support.mozilla.org/en-US/kb/update-firefox-latest-version?cache=no Did you update Firefox to the latest version? Version 85.0.1, first offered to Release channel users on February 5, 2021 https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding https://support.mozilla.org/en-US/kb/firefox-takes-long-time-start-up https://support.mozilla.org/en-US/kb/quick-fixes-if-your-firefox-slows-down MemTest LAST UPDATED : 12/04/2020 Could you please run a tool from http://memtest.org/ in order to check the integrity of your RAM? You will need a thumb or disk drive to install it on. Do you let Windows handle the page file or did you set a fixed size ? If you use a fixed size for the page file then try the former and let Windows handle the page file. [https://docs.microsoft.com/en-us/windows/client-management/determine-appropriate-page-file-size#:~:text=Support%20for%20system%20crash%20dumps%20%20%20,on%20kernel%20virtual%20memory%20usage.%20%20...%20 How to determine the appropriate page file size for 64-bit versions of Windows] {web link}

You do not seem to have much memory installed and being on 32 bit Windows 10 doesn't help as well. * memoryMB : 3477 * virtualMaxMB : 2048 Make sure to close as much other applications when you run Firefox and maybe also try to disable hardware acceleration in Firefox. *https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration