Clients
Having trouble with the game? Check this out!
Connection Issues
Client-side connection issues hub
“You have been kicked by a server modification” error!
Description of issue This error is caused by server modifications, which are plugins installed b...
“You have been rate limited” error!
Description of issue This issue is typically caused by clicking too fast on a given server on th...
Authentication error: Could not resolve hostname/Stuck on Authenticating...
Issue Description This error occurs when your client (game) could not authenticate due it not be...
I keep getting kicked with the error “Client failed to authenticate in time”!
Description of issue This issue is typically caused by a user’s authentication token being rejec...
I keep getting kicked with the error “Authentication timeout exceeded”!
Description of issue This issue is typically caused by a user’s authentication token being rejec...
I’m getting disconnected from servers with the error “connection lost (timed out)”!
Description of issue This issue is typically caused by a variety of variables. Notably, issues c...
I’m getting disconnected from servers with the error “Processing of server security was too slow”!
Description of issue This issue is typically caused by a variety of factors, which may vary betw...
I'm getting kicked from servers when the round ends with no message!
Description of issue The most common cause of this is due to the user using a custom theme song,...
I'm Getting High Ping
This is a pretty common issue, so there could be a bunch of different reasons and ways to fix it....
My game cant connect to central servers!
If you are located in certain countries, you may experience connection failures to the central se...
Crashes
Game not starting? Click here for our knowledge base on crash issues!
A blacklisted program has been detected!
Description of issue This issue is typically caused by using debugging programs or injectors whi...
A blacklisted system service has been detected!
Description of issue This issue is typically caused by a program called Process Hacker. Process...
I keep getting "The game's integrity couldn't be verified, please verify game's files and restart".
Verify Integrity of Game Files Please check out our guide here! Launch Game as Administrator ...
I keep getting Virtualalloc failed/Virtualalloc remapping failed when I try to launch the game!
Description of issue This error is not related to SCP:SL itself, but rather an issue with your m...
I'm getting an error from steam saying "An error occurred while updating SCP: Secret Laboratory (missing executable)".
Description of issue If you're using an antivirus and encountering an issue where SCPSL.exe is f...
My game is refusing to launch with this error: Please verify the game's integrity. Attempting to modify the game's files can result in a global ban. (file/folder name).
How to Fix the Error Navigate to SCP:SL’s Game Files Open Steam Library Right-clic...
My game is refusing to launch, but I meet the minimum requirements.
Check for the SCP Secret Laboratory Folder Press Windows Key + R Type %appdata% and hit...
SCP:SL crashes after displaying a small window with a loading bar and error icon
Description of issue Ensure your PC meets our minimum system requirements. Your PC specs should ...
SCP:SL crashes and displays a box with a loading bar and the SCP:SL logo!
Description of issue This issue is typically referred to as a “Unity Crash”, as the presence of ...
SCP:SL crashes on launch after a splash screen
Description of issue This issue is typically caused by one of three specific problems- either in...
SCP:SL crashes on launch with no popups altogether
Description of issue This issue is typically caused by a wide variety of complimenting factors, ...
SCP:SL crashes to desktop with an “SL-AC error” popup!
Description of issue Ensure your PC meets our minimum system requirements. Your PC specs should ...
SCP:SL crashes to desktop with no warning or pop-up (silent crash)!
Ensure your PC meets our minimum system requirements. Your PC specs should match or be more power...
SCP:SL shows black screen and freezes on launch
Description of issue This issue is typically caused by a wide variety of complimenting factors, ...
Game Crash: "Kernel Debugging" Error
If the game crashes after launching and you’re seeing this error, please follow the steps below.S...
My game crashes on boot without giving any error: "kGfxThreadingModeSplitJobs"
Description of Issue If your Player.log only contains the line: kGfxThreadingModeSplitJobs is n...
My game keeps crashing when it reaches 90% while loading!
Description of Issue The issue usually happens when a user is joining a server or loading the ga...
Global Bans
For the cheater cheater pumpkin eaters
I keep getting "Publisher/ASN ban or Spoofer Detected" error when I want to join any server. What should I do?
The technical support team is unable to assist you with this issue. Do not open a tech support ti...
I’m seeing an error about a “Global ban”! What do I do?
The technical support team is unable to help you with your global ban. Do not open a tech support...
Reporting a cheater
The technical support team are unable to assist you with reports. Do not open a tech support tick...
Performance issues
Laggy game? Check out our guides here!
I'm getting low FPS/Limited FPS
There are multiple causes for low FPS, This will walk you through all possible solutions. 1. Cle...
My games takes FOREVER to launch
Description of issue Launching the game and loading takes a while. What You Should Know: I...
Other players are freezing ingame and teleporting!
Description of issue Other players appear to be teleporting ingame mid-round despite having a go...
Server List loading errors
Server List related issues and resolutions
“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 de...
Failed to download servers list. InternalServerError
Description of issue This issue is caused by your pc failing to connect to SCP:SLs central serve...
I’m getting massive walls of red and yellow text in my Player Console mentioning “a task was cancelled”!
Description of Issue This issue is typically caused by the game client failing to authenticate p...
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 Se...
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 conne...
Failed to download servers list. Invalid Signature
Description of issue Error shown on the server list: “Invalid Signature.” Why it happens: Some u...
Misc
If the issue doesn't fit any of the above categories it might be here
Failed to authenticate: non-issued token used for Authentication
Description of issue Players get disconnected when joining the server with the error message: f...
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...
I can't see players' steam profile button in-game.
This issue usually happens if you have Steam Overlay disabled. Solution: To enable Steam Overla...
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: ...
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 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...
My microphone isn't working!
User Self Diagnosis Guide Bandaid Fix This is a very simple and almost guarantee solution, bu...
SCP:SL appears washed out, overly bright, or pale
Description of issue Some users may experience the game appearing extremely washed out with low ...
Getting kicked at round end straight to main menu - no disconnect message
Description of Issue If your Player.log contains lines like: Playerlog.txt Server is perform...
Game stuck on running install script on Steam
Description of issue Game is stuck on "running install script" on Steam, not allowing you to pla...