Upgrade to the latest version Download Firefox Full Installer For All languages And Systems {web link}

Separate Issue; Your System Details shows;

Installed Plug-ins

Shockwave Flash 16.0 r0 Shockwave Flash 15.0 r0

Having more than one version of a program may cause issues.

Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac Then reinstall the latest version.

Flash Player v16.0.0.235 https://www.adobe.com/products/flashplayer/distribution3.html

You can try to disable OMTC and leave hardware acceleration in Firefox enabled.

• about:config page: layers.offmainthreadcomposition.enabled = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

• http://kb.mozillazine.org/about:config

You can try to disable hardware acceleration in Firefox.

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.

• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
• https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Product Firefox Version 28.0 Release Channel release

The crash report flagged these programs;

FASTANDSAFE.DLL = Adware.SProtector.D, Troj.Undef.(kcloud).

hydradmh.dll = ATI Technologies

mfplat.dll = Microsoft Windows Media Foundation Platform

msmpeg2vdec.dll = Microsoft DTV-DVD Video Decoder

Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.

You can try these free programs to scan for malware, which work with your existing antivirus software:

• Microsoft Safety Scanner
• MalwareBytes' Anti-Malware
• Anti-Rootkit Utility - TDSSKiller
• AdwCleaner (for more info, see this alternate AdwCleaner download page)
• Hitman Pro
• ESET Online Scanner

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.

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