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i think that that -heapsize value you have is for either 1gb of ram or 2gb. try removing it, because it seems you ran out of options or just…format?

edit

or just try -autoconfig, launch the game, quit, remove the command, launch again and see how it goes BE AWARE it WILL remove your settings. keep your binds n shiz before.

If you have an antivirus program, put the steam/appcache/gamestats folder in the exception list to protection thingie. Most AV programs continuously check files whenever they are updated, and this is updated quite intensively, so that could be one source of the problem.

Another known culprit in producing low FPS, and it sounds very much like it could be this, is incorrect network card drivers. Check your motherboard network card, and then go download correct drivers from the manufacturer site.

Just post the results here regardless, although I won’t be able to help you anymore, it will be of interest to me and any other who might search/google this problem.

Quoted from BERSERKER

If you have an antivirus program, put the steam/appcache/gamestats folder in the exception list to protection thingie. Most AV programs continuously check files whenever they are updated, and this is updated quite intensively, so that could be one source of the problem.

Another known culprit in producing low FPS, and it sounds very much like it could be this, is incorrect network card drivers. Check your motherboard network card, and then go download correct drivers from the manufacturer site.

Just post the results here regardless, although I won’t be able to help you anymore, it will be of interest to me and any other who might search/google this problem.

“*Made an exclusion to scan the steam folder”, and the new steam client reduced the amount of data written on that folder by about 90% anyway.

Regarding the network card, I’ve got an atheros L1 gigabit ethernet and got the latest drivers on it (which is pretty old 13/10/2009), I’ve read the topic that said the problem can be caused by a network card driver, but the topic applies to realtek ones.

Anyway I am gonna go to buy a realtek network card and some cooling fans tomorrow just in case (my hardware isn’t getting hot or something but I’d like to have some more fans to be safe).

Thanks alot for the quick replys, much appreciated.

Quoted from tesco

dunno, maybe it can help
http://forums.steampowered.com/forums/showthread.php?t=1034385

i didn’t read the whole thread, just the topic is the same

The guy that made that topic still didn’t fully solve the problem (and the thread is more than 3 month old), he said setting the affinity helped him but when I set my affinity it gives me worse fps.

Had a similar issue with FPS drops near enemies. Tried all those too, but the only thing that worked for me is going fullscreen :

very strange problem. Make sure you have multi cor rendering on. Check what programs you have running. theres alot of stuff that could do this but go through the basics and narrow down the options.

Quoted from Spary

I think I only got this issue since the 13th of january tf2 update… I USED to get about 100-250 when im not near/seeing any enemy players/burning friendlies, and once I get to see some enemies or getting close to the action (6v6 ye?) my fps drop to 30-50 (which is less than my update rate so it makes the game extremely choppy).

almost exactly the problem i got after the Jan 13th tf2 update. and i haven’t changed anything so i don’t really know what is wrong and how to fix it.

my solution atm: STOP PLAYING TF2

If its coming and going I’d think its something to do with other processes your PC is running, in particular your AV could be doing this. What AV are you running?

It could also be a windows issue, although I’m not sure what could do that.