If you use the official Mod Tools and get this error when trying to load a map, you might be missing the additional assets for the mod tools. Ensure all necessary Steam Workshop dependencies for the tools are properly downloaded.
The Steam overlay can sometimes conflict with DLL injection on startup.
Certain third-party applications that "hook" into your game can prevent DLLs from loading correctly. Common culprits include: Discord Overlay EVGA Precision OBS (specifically Game Capture mode) If you use the official Mod Tools and
In , navigate back to Virus & threat protection settings . Click Manage settings .
Modern antivirus software hates game DLLs because they inject code into memory. Specifically, look for quarantined files named steam_api64.dll , nvapi64.dll (for NVIDIA), or amd_ags_x64.dll . Certain third-party applications that "hook" into your game
"The additional DLL could not be loaded. Please restart the application. If the issue persists, try reinstalling the game."
Then verify game files again.
Click on under the current threats section.