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Client & Server Launch Options for SCP: Secret Laboratory

Common Debugging steps

...s page lists various launch options you can use when starting SCP: ... Secret Laboratory. These options can help improve performance, ...add them in the “Set Launch Options” section to change how the game behaves ... arguments Argument Description Platform -steam Sets the pl...

SCP:SL crashes on launch after a splash screen

Clients Crashes

Description of issue This issue is typicall ...y caused by one of three specific problems- ei ... than the current minimum specs on steam. Anything less powerful r ... As well, please ensure you are on an up-to-date version of Windows 10/11 and other oper...

SCP:SL crashes on launch with no popups altogether

Clients Crashes

Description of issue This issue is typicall ... than the current minimum specs on steam. Anything less powerful r ... As well, please ensure you are on an up-to-date version of Windows 10/11 and other oper ...n fail to start SCP:SL! Resolutions Check out our guide on resolv...

SCP:SL shows black screen and freezes on launch

Clients Crashes

Description of issue This issue is typicall ... than the current minimum specs on steam. Anything less powerful r ... As well, please ensure you are on an up-to-date version of Windows 10/11 and other oper ...n fail to start SCP:SL! Resolutions Try deleting lib_burst_genera...

My games takes FOREVER to launch

Clients Performance issues

Description of issue Launching the game and loading takes a ...What You Should Know: With the launch of 14.2 the load time has been ...seems to be caused by the Steam launcher, please run the game from the ... is running and will eventually launch. On older hard drives, this c...

My game is refusing to launch, but I meet the minimum requirements.

Clients Crashes

...s missing, create a new folder with this name and try launching the game again. Already ... the Folder but the Game Still Won’t Launch? Check out our guide for inst ... Perform a Clean Reinstall Try launching the game again after install ...ation.

I keep getting Virtualalloc failed/Virtualalloc remapping failed when I try to launch the game!

Clients Crashes

Description of issue This error is not rela ...sn't enough available memory to launch the game. Steps to Fix the Issu ...e: Close other applications to free up memory. Try launching the game again. If the iss ...uld resolve the problem. If it continues, further troubleshooting ...

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).

Clients Crashes

...Error Navigate to SCP:SL’s Game Files Open Steam Library Right-click on SCP: Secret Laboratory Select ... Find the file or folder mentioned in the error message. Most ...e check out our guide here! Once done, try launching the game again!

I keep getting "[SL-AC] Launcher outdated. Please update the game or verify the games integrity."

Clients Misc

This error will occasionally appear when the game receiv ...n update or small hotfix. Solution: Update your game or verify game files as per this guide.

Game stuck on running install script on Steam

Clients Misc

Description of issue Game is stuck on &qon "running install script" on Steam, not allowing you to play ...e game. Causes: Steam permission issues. Steam unable to run ins ...ll script automatically. Solutions: Run Steam as admin. Open st ...ministrator" as shown below Relaunch the game. Manually run the in...

Authentication error: Could not resolve hostname/Stuck on Authenticating...

Clients Connection Issues

Issue Description This error occurs when your cli ...ng able to find the authentication servers via the assigned DNS se ...main blocking, a possible solution could be to change them to some ... other ones, such as Cloudflare's (1.1.1. ...S servers or by using the --doh launch argument. Method 1: DNS Change...

I am getting a HTTP Error 500 on the server list!

Clients Connection Issues

You may encounter this error on the server list as shown: One of the reasons it may appear is because SCP:S ...our IP Address in it's geolocation database, therefore not making ...it possible to connect to it. You may try the prot ...entional solutions below: IPv4 Launc...

Game Closes on SLAC 404 Error

Clients Crashes

Description of issue SCP: Secret Laboratory ...lient is unable to establish a connection with the Anti-Cheat (AC) server ...s. Resolution steps Open your Steam Library. ...ry and select Properties. Under Launch Options, add the following flag: --doh...

DllNotFoundException on server startup (GpuDriver.dll / libopus-0)

Server Issues Misc

Description of issue When you start the ser ...a big red error message in the console and stops.The error says:Dl ...lNotFoundException: GpuDriver.dll or DllNotFoundEx ...ception: libopus-0.This happens when so ...ependencies) are missing. Solution Windows hosts Install Visual ...

I'm getting the Error below when trying to run my LocalAdmin application on Ubuntu or Debian Linux

Server Issues Crashing issues

... to run the LocalAdmin application on Ubuntu or Debian Linux, follow ...run this command every time you launch LocalAdmin, add it to your ~/.b ...e and restart the terminal session. Create the .config Folder Make sure the home ...directory has a .config folder. To check, run the fo...

I see my cursor/mouse on the center of my screen while playing

Clients Misc

...ve Xbox Game Bar enabled. Solution: To disable Xbox Game Bar follo ...w the guide below on Windows 11 and 10 Windows 11 S ...he sidebar Note: In older versions of Windows 11, the Xbox Game B ...ar is listed in the Apps section on a page called Installed apps...

My game crashes on boot without giving any error: "kGfxThreadingModeSplitJobs"

Clients Crashes

Description of Issue If your Player.log only contains the line: kGfxThreadingMod ...eSplitJobs is not supported on Direct3D 11. Reverting to kGfxT ...ausing any trouble, if it’s the only thing in the log before the g ...ly doesn’t apply to your situation. In that case, please check the...

Sudden Server Freezing Issue on Windows VDS/VPS Servers

Server Issues Crashing issues

Description of issue This issue generally o ...ccurs on operating systems above Windows ... 2012 Server. The reason is that the "quick edit mode" i ...s enabled in the console that opens when we start th ..., the user needs to right-click on the console and uncheck the box...

Server-Side Issues