Originally Posted by Pleasurepays

it happened to me. i think it was because once i chose firefox to open .php files in preferences and it couldn't open them and got stuck in a loop of trying to open them again and again until it froze the computer. sometimes i would post a reply here and it would put up a prompt to save/open a php file for some reason and if i screwed up and hit yes, it would go back to that loop.

its probably trying to do something like that. its set to open a certain file type and when it comes across those file types, it goes into a spiral of death because for whatever reason it keeps opening more tabs each time it can't open it.