If the solutions here do not work please join the official SCP:SL Discord here and ask the tech support
DST (Daylight Savings) causes the issue, change your timezone by 1 hour forward or behind to fix it.
Check out this article https://steamcommunity.com/app/700330/discussions/0/3061870378081558108/
Just wait for the game to launch, This is a known issue with the AC. If you have a SSD we suggest that you install the game on that.
This is usually caused by having a bad internet connection, If your internet speeds are fine and it happens on all servers please open a ticket in the official SCP:SL Discord here
Try disabling all unused network adapters by going to Control Panel, clicking on "Network and Internet", click on "Network and Sharing Center", and on the left hand side you will see "Change adapter settings", click on that and it will bring you to a list of network adapters, Right click on any unused ones (Ex. VMWare, VirtualBox, etc.) and hit disable.
Inside of the client console (`) or (~) type ar, If that does not solve the issue try restarting your PC/steam
This isn't a issue with SCP:SL itself but an issue with your memory/RAM, This error usually pops-up when you do not have enough memory left to run the game, Please close out other applications to free up memory then try to launch the game again, If the issue continues to persist restart your PC.
Windows 7 is unsupported, Please upgrade to 8.1 or 10.
The game is not supported on Linux.