Unfortunately the linked crash report is empty (@ EMPTY: no crashing thread identified; corrupt dump) and doesn't include any data, so it is not possible to find the cause of the crash. See: *http://kb.mozillazine.org/Firefox_crashes *https://support.mozilla.org/kb/Firefox+crashes Did you recently submitted other crash reports that do show a crashing thread? ---- If you have submitted crash reports then please post the IDs of one or more crash reports (bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).<br /> You can find the IDs of the submitted crash reports on the <i>about:crashes</i> page.<br /> You can open the <b>about:crashes</b> page via the location bar, like you open a website.<br /> See: *http://kb.mozillazine.org/Mozilla_Crash_Reporter *https://support.mozilla.org/kb/Mozilla+Crash+Reporter