Additional System Details
- User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; rv:11.0) like Gecko
Product Firefox Release Channel release Version 50.1.0 Build ID 20161208153507 OS Windows 7 OS Version 6.1.7601 Service Pack 1
https://support.mozilla.org/en-US/kb/update-firefox-latest-version 51.0.1 +++++++++++++++++++++++++++++++++++++++++++++ Signature: @0x0 | nvd3dum.dll | CreateDeviceLHDDI
EMET.dll = Microsoft Corporation
Nvwgf2um.dll = NVIDIA Compatible D3D10 Driver = NVIDIA Corporation
nvd3dum.dll = NVIDIA Windows Vista WDDM driver
COM_Sensor.dll = Digital Guardian = Verdasys, Inc
OS_PLUGIN.DLL = Trojan Program
os_plugin.dll = Digital Guardian = Verdasys, Inc
ame_smtpsensor.dll = AE_Agent_Plugin.dll = Digital Guardian
ae_mailsensor_plugin.dll = Digital Guardian
dgapi.dll = Digital Guardian = Verdasys, Inc
You may have ad / mal-ware. Further information can be found in the Troubleshoot Firefox issues caused by malware article.
Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.
If there is still a problem, Disable Digital Guardian and contact its support.
You can try to disable hardware acceleration in Firefox.
- Options/Preferences -> Advanced -> General -> Browsing: "Use hardware acceleration when available"
You need to close and restart Firefox after toggling this setting.
You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.