Need help with server! (Random crashing)

I’m playing as usual, with friends and other etc on DarkRP. And… crash. Why - i don’t no.

Dump file : http://www.mediafire.com/download/ebl36g3n39x7c4b/srcds_2117156_crash_2014_11_4T16_56_39C0.mdmp (i’m new on this site, i don’t no, how to upload to forum files.)

Remove this addon :

e:\gmodserver\garrysmod\addons\darkrpmodification

I can’t delete this, it’s my DARKRP global config( , or give me better addon for DarkRP.