Pills crashing when attacking NPC

Ok I have violence_ablood 0 violence_agib 0 and violence_hblood 0 and violence_hgib 0 on, so I use a zombie pill and when I attack a metrocop the game crashes, so I use a headcrab and it crashes to! Can someone please help?

[editline]04:07AM[/editline]

dude this is serious, CAN SOMEONE PLEASE REPLY!!!

Your mommy and daddy don’t want you seeing any blood or guts?

Dude wtf man, I am dead serious, I am running vista, and when I kill a NPC it crashes without the following command typed above. JUST FUCKIN REPLY

[editline]05:19AM[/editline]

This is a Help and Support forum man be helpful, one guy got banned for not being helpful on this forum!