Firefox keeps crashing even after reinstalling it

Question

It crashes everytime I try to open Gmail and some other sites.
Details of the crash:
AdapterDeviceID: 0x683d
AdapterVendorID: 0x1002
Add-ons: ascsurfingprotection%40iobit.com:1.0,%7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:30.0,%7Bd10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d%7D:2.6.3,pt-BR%40dellalibera.sf.net:2.4.1-3.2,en-US%40dictionaries.addons.mozilla.org:7.0.1
AvailablePageFile: 12232966144
AvailablePhysicalMemory: 4299878400
AvailableVirtualMemory: 3231510528
BIOS_Manufacturer: American Megatrends Inc.
BlockedDllList:
BreakpadReserveAddress: 46727168
BreakpadReserveSize: 37748736
BuildID: 20140605174243
CrashTime: 1403381482
EMCheckCompatibility: true
EventLoopNestingLevel: 1
FramePoisonBase: 00000000f0de0000
FramePoisonSize: 65536
InstallTime: 1402512167
Notes: AdapterVendorID: 0x1002, AdapterDeviceID: 0x683d, AdapterSubsysID: 32301682, AdapterDriverVersion: 14.100.0.0
D2D? D2D+ DWrite? DWrite+ D3D10 Layers? D3D10 Layers+
ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 1527
StartupTime: 1403379973
SystemMemoryUsePercentage: 49
Theme: classic/1.0
Throttleable: 1
TotalPageFile: 17176502272
TotalPhysicalMemory: 8589205504
TotalVirtualMemory: 4294836224
URL: https://mail.google.com/mail/#inbox/146bfa944013fb21
Vendor: Mozilla
Version: 30.0
Winsock_LSP: Tcpip MSAFD [TCP/IP] : 2 : 1 :
Tcpip MSAFD [UDP/IP] : 2 : 2 : %SystemRoot%\system32\mswsock.dll
Tcpip MSAFD [RAW/IP] : 2 : 3 :
MSAFD Tcpip [TCP/IPv6] : 2 : 1 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [UDP/IPv6] : 2 : 2 :
MSAFD Tcpip [RAW/IPv6] : 2 : 3 : %SystemRoot%\system32\mswsock.dll
Provedor de Serviço de TCPv6 de RSVP : 2 : 1 :
Provedor de Serviço de TCP de RSVP : 2 : 1 : %SystemRoot%\system32\mswsock.dll
Provedor de Serviço de UDPv6 de RSVP : 2 : 2 :
Provedor de Serviço de UDP de RSVP : 2 : 2 : %SystemRoot%\system32\mswsock.dll
useragent_locale: pt-BR

Answer 1

Many site issues can be caused by corrupt cookies or cache.
* Clear the Cache
'''[https://support.mozilla.org/en-US/kb/how-clear-firefox-cache?redirectlocale=en-US&redirectslug=clear-cache-delete-temporary-files-fix-issues How to clear the Firefox cache]''' {web link}
and
* Remove Cookies
''This will log you out of all sites you're logged in to. ''
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by;
Windows; '''Tools > Options'''
Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Privacy.'''
Under '''History''', select Firefox will '''Use Custom Settings'''.
There is a button on the right side called '''Show Cookies'''.
If there is still a problem,
'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''''' {web link}
While you are in safe mode;
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by;
Windows; '''Tools > Options'''
Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Advanced > General.'''
Look for and turn off '''Use Hardware Acceleration'''.
Poke around safe web sites and see if there is still a problem. Then restart.