Please consider turning on send info to Mozilla from with in Firefox before posting a question. This helps us help you. I have no info from your system that would help see things that cause issues. I have no info at all on your Video Card Drivers, plug-ins Crash Reason EXCEPTION_ACCESS_VIOLATION_READ You may need to go to the motherboard maker for the latest chipset/graphics driver for your motherboard as most of this always is your Video Card Drivers, new or not. Considering that unless have set Win 10 not let Microsoft update your drivers it has changes your drivers. This can be found in the Device Manager what drivers it has decided to update with out telling you. You need to explore them all. https://www.howtogeek.com/302595/how-to-stop-windows-10-from-automatically-updating-hardware-drivers/ You can also try this : uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files , C:\Program Files(x86) & C:\ProgramData Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do : *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer Reinstall with Current Release Firefox 59.0.1 with a Full Version Installer *https://www.mozilla.org/firefox/all/ Please let us know if this solved your issue or if need further assistance.