Game keeps opening my desktop

When I play the game on Steam, the screen freezes and the audio skips. Then, I’m brought back to my desktop, but I can still hear the game and play without seeing it, so what I do is I open Windows Task Manager and shut the game down.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.