Oh boy! A golden opportunity to trot out this classic again.

(Myth 2's initial version, which was released to retail in a time when patching games over the internet was not quite as viable as it is today, let alone distributing them via the internet, had a bug which would delete the entire contents of your machine's C: drive if you uninstalled it when installed to any directory other than its default. Truly, to err is human. But to really fuck up you need a computer.)