This guide will have a collection of methods to fix common or rare issues that different players might encounter and wanna get fixed.

08/27/2023
If you have ever encountered a bug, that you think is being caused by the game. You can check if this bug was already reported on Github. If the bug wasn't already reported, then you can create a bug report in their issue tracker.

Source-1-Games Valve Issue Tracker[github.com]

(10/18/2022)
If you can't find anything that will help you, I suggest you to also check out these guides.
https://gtm.you1.cn/sharedfiles/filedetails/?id=908113284 https://gtm.you1.cn/sharedfiles/filedetails/?id=258046134 Also since the game is now getting updates more frequently, its always good to checkout the latest patch notes. https://www.teamfortress.com/?tab=updates

1. Press Windows key + R, and type in %temp% -> Delete everything in this folder.
2. Remove everything from the custom folder, and verify your game files. Right click on the game -> Properties -> Local Files -> Verify integrity of game files.
3. Add to the launch options "-high"
4. Look in your Task-Manager which programs are running in the background and stealing CPU or Ram.
5. Clean your pc, uninstall any programs wich are not used or just junk.
6. Make sure to have the latest graphic card driver installed.
7. Open powershell as an administrator and type in "powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61" and press enter.

If you have "Team Fortress 2" currently running, then do this.
1. Open your Task-Manager
2. Go to details and search for "hl2.exe"
3. Rightclick on it and click "Set affinity"
4. Uncheck CPU 0 and press ok

As we know that vanilla "Team Fortress 2" is not running well, using mastercomfig[mastercomfig.com]can improve the gameplay a lot.

credits to Kostiushko

If you are experiencing any problems with models in the game then i have the solution here for you. Open the console and type "record demo", wait a bit and then type in "stop" to stop the recording. This should maybe fix the problem.

This is a folder, were junk are created by the programs that are on your computer. If you delete them they will give you free space back again. There will be no changes on your pc, so you don't have to worry.

Unparking the CPU can help with improving the peformance of the current CPU. QuickCPU[coderbag.com]

If you have a Geforce graphic card, then download this driver.
Geforce Expierence[www.nvidia.com]

If you have a AMD Graphic card, then download this driver.
AMD Graphic Card Driver[www.amd.com]

• Open CMD as an Administrator.
  
• Type in "Ipconfig /flushdns" and press enter.
  
• Type in "Ipconfig /renew" and press enter.
  
• Type in "Ipconfig /flushdns" and press enter.

Make sure nothing is opening that is using most of your internet.

• Press Windows + R to bring up the Run application.
  
• In the dialogue bar, type “steam://flushconfig”.
  
• Press OK. Steam will now pop a window to confirm your actions. Press Ok and restart Steam.

• Exit Steam in the same manner as described above
  
• Open your Safari browser and copy or write down the same text “steam://flushconfig”. Press Enter.
  
• Restart your Mac OS X computer and open your Steam client when it boots up. Your Steam files should be refreshed.

• Add to your launch options "+clientport 27006-27014".
  
• Restart your router.

• Remove everything in the custom folder.
  
• Right click on the game -> Properties -> Local Files -> Verify integrity of game files.

Credits to moltzerr for finding this.

• Go to Windows Firewall.
  
• Click on Advanced Settings.
  
• Go to "Outbound rules"
  
• Uncheck "blockaus" (if you live in Australia and/or want to connect to australian servers, for example, and so on)
  
• Enjoy!

While you are loading into the game, try to minimize the game window.
And then go back after waiting a bit.

Remove everything that is in your custom folder.
It can happen that some of it is outdated, and will result in a crash.
Put the files back, but not all at once. After you put one file in, start the game.
If its working, try the next file until you found the file wich is causing the crash.

The problem could also be the server's, you can check the servers here.
https://steamstat.us/

Click on "Steam" at the top left -> Click on settings -> Downloads -> Change the download region.

• Press Windows + R to bring up the Run application.
  
• In the dialogue bar, type “steam://flushconfig”.
  
• Press OK. Steam will now pop a window to confirm your actions. Press Ok and restart Steam.

• Exit Steam in the same manner as described above
  
• Open your Safari browser and copy or write down the same text “steam://flushconfig”. Press Enter.
  
• Restart your Mac OS X computer and open your Steam client when it boots up. Your Steam files should be refreshed.