The crash report flagged these programs; Signature OOM Nvwgf2um.dll = NVIDIA Compatible D3D10 Driver = NVIDIA Corporation Total Virtual Memory 2147352576 Available Virtual Memory 165888000 System Memory Use Percentage 86 Available Page File 5155995648 Available Physical Memory 389283840 This is for Sumo's Related Bugs 1182207 NEW --- GC OOM of unknown size in js::gc::StoreBuffer::MonoTypeBuffer<T>::trace ++++++++++++++++ Signature @0x69c5fe80 Modules = nothing listed +++++++++++++++++ Signature hang Process Type plugin Shockwave Flash Version:18.0.0.232 Attention Sumo's; there are 7 Related Bugs. https://crash-stats.mozilla.com/report/index/143572b5-e0e4-408b-a746-6d7202150831 ---------------------- check this: * see if there are updates for your graphics drive drivers '''https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration''' * disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later) '''https://forums.adobe.com/message/4468493#TemporaryWorkaround''' * disable hardware acceleration in the Flash plugin '''https://forums.adobe.com/thread/891337''' See also: * '''http://kb.mozillazine.org/Flash#Troubleshooting''' ---------------- '''[https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram Firefox uses too much memory (RAM) - How to fix]''' This article describes how to make Firefox use less memory to make it run faster and prevent crashes. '''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-hangs-or-not-responding'''