Some of your crash reports weren’t sent to the Mozilla Servers.

In the address bar, type about:crashes<enter>. Note: If any reports do not have BP in front of the numbers, click it and select Submit.

Using your mouse, mark the most resent 7 - 10 crash reports, and copy them. Now go to the reply box below and paste them in.

Start Firefox in Safe Mode {web link} While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?

bp-b29a57b0-cf52-4933-a864-886fa2141222 Date Processed 2014-12-22 18:05:36.691513

Signature npswf32_15_0_0_246.dll

Process Type plugin Shockwave Flash Version:15.0.0.246

This program was flagged in the report; ntdll.dll = Microsoft

bp-4a4dd479-a69f-434a-9342-398fe2141220 Date Processed 2014-12-20 21:16:01.887316

Signature OOM OutOfMemory

Perform a System File Check to fix corrupted system files http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html

See if there are updates for your graphics drive drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration