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53 total results found

I keep getting kicked with the error “Authentication timeout exceeded”!

Clients Connection Issues

Description of issue This issue is typically caused by a user’s authentication token being rejected or reassigned constantly by our central servers. Ensure your PC meets our minimum system requirements. Your PC specs should match or be more powerful than the...

Game Crash: "Kernel Debugging" Error

Clients Crashes

If the game crashes after launching and you’re seeing this error, please follow the steps below.Solution Follow these steps in order: Disable Kernel Debugging Press Win + X → Select "Command Prompt (Admin)" or "Windows Terminal (Admin)". Run th...

SCP:SL appears washed out, overly bright, or pale

Clients Misc

Description of issue Some users may experience the game appearing extremely washed out with low contrast, resulting in overly bright or faded visuals, brightened dark areas, and an overall pale look often caused by NVIDIA Freestyle filters being active, somet...

Server List Sorting Guide

Server Guides

When a player opens the server browser in SCP: Secret Laboratory, servers are sorted using a set of rules that determine the order in which they're shown. The sorting uses four criteria, applied in this order: 1. Official Class (Descending) Each server is as...

I'm getting "Your IP address is already verified!" but server still shows unverified

Server Issues Verification issues

This error usually occurs when your IP address is indeed verified, but the verkey.txt file is missing or corrupted, or the server cannot properly read it. Causes: verkey.txt file missing from the server root folder. File permission issues preventi...

Client & Server Launch Options for SCP: Secret Laboratory

Common Debugging steps

This page lists various launch options you can use when starting SCP: Secret Laboratory. These options can help improve performance, troubleshoot issues, or customize how the game runs. If you're using Steam, you can add them in the “Set Launch Options” sectio...

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

Clients Crashes

Description of Issue If your Player.log only contains the line: kGfxThreadingModeSplitJobs is not supported on Direct3D 11. Reverting to kGfxThreadingModeClientWorkerJobs If the game closes right after this message in the logs appears, it usually means ther...

Getting kicked at round end straight to main menu - no disconnect message

Clients Misc

Description of Issue If your Player.log contains lines like: Playerlog.txt Server is performing a full round restart. Reconnection time: 25.Skipped Data message handling because connection is null.UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOptio...

My game cant connect to central servers!

Clients Connection Issues

If you are located in certain countries, you may experience connection failures to the central servers when attempting to launch the game. This usually appears in two ways: You are blocked with an authentication pop-up on launch. The main menu fails...

Failed to download servers list. Invalid Signature

Clients Server List loading errors

Description of issue Error shown on the server list: “Invalid Signature.” Why it happens: Some users don’t have key caches yet at %AppData%\SCP Secret Laboratory\internal The central server cache (used to pick a CS server) is created too late, so keys aren’...

SteamCMD: App '996560' state is 0x6 after update job

Server Issues Misc

Description of issue While updating the dedicated server with SteamCMD, the process exits with: Error! App '996560' state is 0x6 after update job This prevents the update from completing. Quick fix Delete the stuck appmanifest and rerun the update. Path:...

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

Server Issues Misc

Description of issue When you start the server, it shows a big red error message in the console and stops.The error says:DllNotFoundException: GpuDriver.dll or DllNotFoundException: libopus-0.This happens when some needed files (dependencies) are missing. So...

Authentication error (government restrictions)

Clients Connection Issues

Description of issue Some players cannot connect to the game due to government internet restrictions in their country.When this happens, the client cannot reach the authentication servers. Solution Try the launch code (Steam) Open your Steam Library....