[SOLVED]Level Editor causes video drivers to crash

[Your Computer]

This has been happening to me recently too, and i have 5850 as well. This has never happened to me before and i didn't touch the level editor. I know my card isn't dying since it handles everything else and it only happens randomly with the level editor open. Also, the bluescreen i got was 0x116, which is the expected result. I'd say downgrading to 12.5 drivers may help (i say "may" because i haven't downgraded yet).