Well.... Please update your ATI Radeon HD 4200 video card drivers as they are very old drivers Date: 4-29-2013. Old drivers cause issues as do corrupted ones. Update from here off link in page middle : https://support.amd.com/en-us/kb-articles/Pages/Driver-Support-for-AMD-Radeon%E2%84%A2-HD-4000,-HD-3000,-HD-2000-and-older-Series.aspx

I would think that with the age of the above drivers might want to search for your other drivers that can be updated, Audio, Motherboard, network card etc..

Please make sure Win 7 is updated and all security patches have been installed.

Please use this guide as how to properly submit a crash report to here Firefox Support : https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support

Please let us know if this solved your issue or if need further assistance.

bp-cfa96102-89b9-452e-ae51-fc6631171104 Signature: OOM | small

Attention Sumo's there are 30 related bug reports

atidxx32.dll = Advanced Micro Devices = Check this link; http://support.amd.com/en-us/download/desktop?os=Windows+7+-+64

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

Try to increase the size of the Windows page file since there appears not much memory available and the memory is heavily fragmented (a 64 KB allocation fails and only 148 MB virtual memory).

Total Virtual Memory : 2,147,352,576 bytes (2 GB)
Available Virtual Memory : 155,340,800 bytes (148.14 MB)
Available Page File : 3,646,443,520 bytes (3.4 GB)
Available Physical Memory : 822,427,648 bytes (784.33 MB)
System Memory Use Percentage : 76
OOM Allocation Size : 65,536 bytes (64 KB)