That means either your Norton or Sygate shit is blocking Firefox.exe and you should try to add it to their respective Exclusion lists or find updates/fixes for them or uninstall them and use something else.
OR
You have some form of anti-FF malware on your machine in which case these two links might be useful:
Nice.
That means either your Norton or Sygate shit is blocking Firefox.exe and you should try to add it to their respective Exclusion lists or find updates/fixes for them or uninstall them and use something else.
OR
You have some form of anti-FF malware on your machine in which case these two links might be useful:
https://support.mozilla.com/en-US/kb/Firefox+crashes+when+you+open+it#Backdoor_Ulrbot_C
https://support.mozilla.com/en-US/kb/Firefox+crashes+when+you+open+it#Other_malware_viruses_or_spyware