Crash signatures ^{( what's this? )}: nsCycleCollectingAutoRefCnt::decr(nsISupports*)

This crash is likely caused by other software or extensions running on your computer.

Roboform may be conflicting with other extensions and cause this crash. To try disabling or uninstalling Roboform, see Troubleshooting extensions and themes.

For help with Firefox crashes in general, see Firefox crashes.