Thank you for submitting your crash report to us here at the Mozilla support forums. If the information on the crash report is correct, you are running version 7.0.1 of Firefox on a Windows 7 computer. This version of Firefox is extremely outdated. It is not recommended that you use this version of Firefox because it may contain various security and functionality issues. This may be the reason that Firefox is crashing.<br> If possible, please update to the latest release version of Firefox. Does this fix the issue? Please report back soon.