That is a Steam error not a game error, usually is related with the interference of an Internet security program which is not allowing the game to run. Please check if any of your Internet Security programs aren't interfering. I suggest to create exclusion scan for the game folder and game exe. Ple...

springel wrote: ↑Mon Jul 12, 2021 4:08 pm You can pay € 4.99 to GoG for an installation on a modern PC.

yeah we need to spend small amount money to get it install on new PCs.