AVG SafeSearch Crashed My Firefox
Upon loading Firefox, I got this message:
I then decided to restart Firefox in safe mode... Following which, I disabled all Addons (this is the main culprit --- a faulty or buggy addon) and Firefox loaded successfully.
Slowly one by one, I enabled back each addon and restarting Firefox each time I did that until...
Yes, the moment I enabled AVG SafeSearch and restarted Firefox, VOILA! The cause of the problem was indeed, AVG SafeSearch.