My Special Crash Lag

[deluxulous]

Now, I've been complaining about the horrible lag that I get whenever I play on SRP for months, and not once have I received any possible solution to the problem except for today.
The Issue: About 5-30 minutes (it varies) into the game, I get a shitstorm of lag which is so bad, that I often don't move more than 10 feet away from the position where the lag started. This is NOT internet lag, it's my FPS dropping to -1. My entire Garry's Mod becomes slow, often inoperable, and results in me having to restart my PC to fix it. Multiple people have seen me during this, and they all agree that it's pretty fucking annoying when I'm RP'ing something important and I start having this god damned lag. This has been going on ever since I first joined the server, back in July.
People that have seen it:
Crimzon_Reaper
Dutch
PimpmasterJ
Zarrick

I would GREATLY appreciate some help, even though I've only gotten one piece of advice today, after 4 months of telling people about this.

[Paintcheck]

Have you tried reinstalling?

I don't know if there is a Gmod equivalent of this but on The Specialists sometimes dicks would alter your player config and set things to values that would lag/crash you. I'm wondering if maybe someone uploaded a malicious lua script to a server you played on or if someone editted your config to do something bad.

[KillSlim]

I remember seeing something similar back in Shh. It was much more frequently, like, every 30 seconds, my fps would drop to single digits, and then go back up. A restart fixed it, but it kept coming back.
I think a re-install fixed it, I think.

[RAPTOR]

Solution: Reinstall have all the useless models/stuff removed and just the stalker files.
Runs more beast now 200fps+
Q9550 2.83ghz
HD HIS 4870 1g
Vista x64
8g Kingston Ram

Sroblem Polved

[bto]

Other Programs Running While you Play Will Make you lag,
They are...
Internet
Ventrillo,Anyother Program

I get it also....Thats When I Stop everythings thats running,It Works for me.

[El Presidente]

Yeah, I fixed the exact same problem with a re-install.