It's because you're as far away as possible from a proper GMod help forum as possible.Try facepunch.
That isn't the best suggestion.Try this:http://www.garrysmod.com/?dont_buff_my_pylon=946
get a new computer its a joke, dont flip out.
I've had this problem with my laptop, which uses an integrated ATI Xpress 200M video card.There's nothing you can really do about this...I noticed it crashed a lot less often if not at all if you make it run in DX7.
I noticed it crashed a lot less often if not at all if you make it run in DX7.