Recently Updated Pages
How do I update my server?
Game Server Provider/Website If you're using a game server provider (often called a Host Provider...
Public Dictionary
This page is a dictionary containing reused tags (per this documentation). Tutorial: Edit a pag...
Resolving network issues
This is a generic guide with resolutions to resolve issues. Following the below instructions will...
Port forwarding
In order for other players to connect to your server, you must open a specific port on your route...
How to disable windows firewall
Using the Windows Firewall App Windows 11, 10, and 8 users can disable the firewall from the fire...
Exclude SCPSL from anti-viruses
Malwarebytes Windows Defender ESET Kaspersky Avast Norton Bitdefender McAfee
Complete removal of GPU drivers
This guide will explain how to completely remove every trace of your current driver installation....
Game stuck on running install script on Steam
Description of issue Game is stuck on "running install script" on Steam, not allowing you to play...
SCP:SL appears washed out, overly bright, or pale
Description of issue Some users may experience the game appearing extremely washed out with low c...
I see my cursor/mouse on the center of my screen while playing
This issue means that you can see your cursor/mouse right in the middle of your screen overlappin...
I keep getting "[SL-AC] Virtual Machines are not allowed. Please play the game on your computer."
Playing SCP: Secret Laboratory on a Virtual Machine is blocked, and, as such, you will not be per...
I keep getting "[SL-AC] Launcher outdated. Please update the game or verify the games integrity."
This error will occasionally appear when the game receives an update or small hotfix. Solution: U...
I can't see players' steam profile button in-game.
This issue usually happens if you have Steam Overlay disabled. Solution: To enable Steam Overlay ...
Fix Crash Dumps not appearing after Game Crash
In some cases, Crash Dumps which have important information about a recent game crash will not ge...
Failed to authenticate: non-issued token used for Authentication
Description of issue Players get disconnected when joining the server with the error message: fai...
The Server list won’t load, and I’m getting an error! I’m getting an error saying “Error Unauthorized” where the servers should be!
Description of issue This issue is caused by an Internet Service provider (ISP) failing to connec...
I'm getting the error: "HTTP/1.1 401 Unauthorized"/HTTP/1.1 403 Forbidden" in my client console!
Description of issue This issue is typically caused by a client failing to connect to Central Ser...
Failed to download servers list. InternalServerError
Description of issue This issue is caused by your pc failing to connect to SCP:SLs central server...
“authentication error” in my console with a string of random letters and numbers!
Description of issue This issue is caused by a variety of factors, all of which we’ll need to deb...
Other players are freezing ingame and teleporting!
Description of issue Other players appear to be teleporting ingame mid-round despite having a goo...