So i was mapping, and when i was ready to test it the half life game gave me an error, i dont know what error it was but it worked after i restarted my pc, then hammer didnt work, it says hammer found an error and it needs to shut down, i re-installed it, it delete all the files even half life, but it gives me the same error all the time, i even tried to dl a new one from a web and still gives me the error, did this happen to anyone?