Wow... You are cursed. Reformat, and try Windows 98SE, do not upgrade DirectX above the Arcanum CD (version I think), try not installing video card drivers from the manufacturers just use what comes with windows, that way you wont have options that Arcanum cannot support causing problems. Anyhow, that's my advice. I am working on turning one of my computers into a Windows 98 SE, machine, especially for Arcanum and other games like Fallout 1 and 2. Oh yeah, another thing, try to avoid updating Win98 SE if you don’t have to, and do not install an Antivirus program and keep the computer off the internet.