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.

bp-9527f29d-0025-4b15-b613-f2f512150221	2015-02-20 9:18 PM
bp-5ec49d60-d0a1-44aa-9bd3-dc7b22150220	2015-02-20 5:27 PM
bp-a31c8428-811d-49a8-9abf-1dd292150220	2015-02-20 5:24 PM
bp-e9dd01d9-db1f-46ec-8637-b1b962150220	2015-02-20 5:21 PM
bp-64029c72-1327-45a6-9dbb-ab6422150220	2015-02-20 2:38 PM
bp-fae03735-7f37-4937-bf16-d21902150220	2015-02-20 2:28 PM
bp-54936cea-75e7-4e5d-8b33-6d4b22150220	2015-02-20 2:28 PM
bp-44a12288-75c0-42ad-814f-399752150220	2015-02-20 2:28 PM
bp-2e7cf0d0-fd28-4e73-8eb1-448732150220	2015-02-20 2:28 PM
bp-5bdbdf2d-62e5-40c2-806e-0761c2150220	2015-02-20 10:31 AM
bp-adc95ae2-518b-4437-a44a-282952150217	2015-02-17 2:12 PM
bp-86e4125d-8835-40a7-95ad-0f6ef2150217	2015-02-17 12:44 PM
bp-2f2510e7-5098-465b-a287-06aa62150217	2015-02-17 12:44 PM
bp-c66a95a0-7c0d-427d-b0a2-c17e32150217	2015-02-17 12:34 PM
bp-89cd8bab-e891-4f3d-8659-91d862150217	2015-02-17 12:34 PM
bp-076bba51-fa8a-4d51-b475-db4902150217	2015-02-17 3:32 AM
bp-1774cf3b-46cf-49e3-93d1-bc3b92150217	2015-02-17 3:30 AM
bp-437c0df9-6964-4eca-b695-f3c452150217	2015-02-17 3:30 AM
bp-39432b9f-1d52-40c7-9293-f5e952150217	2015-02-17 3:30 AM
bp-c9904fe1-d98e-4076-be00-a9bc82150217	2015-02-17 3:30 AM
bp-9d1dcf05-c290-41a9-aba7-102af2150217	2015-02-17 3:30 AM
bp-1971a68b-81bb-40b0-b07c-500692150217	2015-02-17 3:23 AM
bp-abe8eb41-4a06-4448-8029-4ce3b2150217	2015-02-17 3:19 AM
bp-df4a326a-1e25-4a79-a53a-d21942150217	2015-02-17 3:19 AM
bp-53adec90-aac4-47bf-aa8f-a4c472150217	2015-02-17 3:18 AM
bp-f56f2e69-2fe0-4e4a-b260-8cc532150217	2015-02-17 3:18 AM
033e2111-5cb7-48d0-8dd5-f49a5a9d2511	2015-02-17 12:52 AM
bp-4c286b86-411e-46e9-afbe-b2dcb2150216

Product Firefox Version 37.0a2 Build ID 20150220004124 Release Channel aurora OS Windows NT OS Version 6.3.9600

Are you running Win 6 ?

The crash report flagged these programs;

Appleffdav.dll = iCloud Control Panel = Apple Computer for the Windows

mswsock.dll = Microsoft

oleaut32.dll = Microsoft

combase.dll = Microsoft

ntdll.dll = Microsoft

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

Check Microsoft for updates.