Typing 'File:///' Will Crash Almost Any Mac Application
An interesting bug in OS X Mountain Lion causes almost all Mac apps to crash when typing in 'File:///', according to a Radar report spotted by 9to5Mac.
The crash is thought to be caused by Spell Checker and affects numerous apps including: Safari, TextEdit, Console, Messages, Xcode, TweetBot, Chrome, and others.
The bug does not affect Lion or Snow Leopard.
Read More [via 9to5Mac]