Gmod crashes to desktop on random waves

[Tafur]

I tought my driver update would fix it, did for like 2 days, and then crashes came back, but completly random, on waves, sometimes I dont crash, sometimes I crash all day after I log in and move a little bit. here the last crash report, where I Just spawned, moved and crashed numerous times

Crash:
[url]http://pastebin.com/U0iGSWmV[/url]

Specs:
Processor Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Manufacturer Intel
Speed 3.0 GHz
Number of Cores 8
Video Card NVIDIA GeForce GTX 660 Ti
Manufacturer NVIDIA
Chipset GeForce GTX 660 Ti
Dedicated Memory 2.0 GB
Total Memory 3.9 GB
Memory 16 GB
Operating System Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
Service Pack 1
Size 64 Bit
Edition Ultimate
Display Maximum Resolution 1920 x 1080
DVD HL-DT-ST DVDRAM GH24NSB0 ATA Device
CD HL-DT-ST DVDRAM GH24NSB0 ATA Device
Drive 1
Size 931.5 GB
Free 371.0 GB
Drive 2
Size 119.2 GB
Free 4.7 GB

PD: Also Ive noticed that when I verify gmod files, it mentions 1 file failed to verify