Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of. Your malware is:: nvwgf2um.dll You can try these free programs to scan for malware, which work with your existing antivirus software: * [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner] * [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware] * [http://support.kaspersky.com/viruses/disinfection/5350 Anti-Rootkit Utility - TDSSKiller] * [http://general-changelog-team.fr/en/downloads/viewdownload/20-outils-de-xplode/2-adwcleaner AdwCleaner] (for more info, see this [http://www.bleepingcomputer.com/download/adwcleaner/ alternate AdwCleaner download page]) * [http://www.surfright.nl/en/hitmanpro/ Hitman Pro] * [http://www.eset.com/us/online-scanner/ ESET Online Scanner] [http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Did this fix your problems? Please report back to us!

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. ----------------- These programs were flagged in the crash reports; nvwgf2um.dll = NVIDIA Compatible D3D10 Driver ----------------- Some added toolbar and anti-virus add-ons are known to cause Firefox issues. '''Disable All of them.''' ----------------- 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