i have installed myst IV yet again on my pc and downloaded update. the game eventually starts after a bit of fiddling but few minutes in crashes my pc. can anybody help please. it used to run fine the first time i played it last year

Please post a DxDiag report in this topic so that we can take a look at your system and make recommendations. See To post a DxDiag report in [Posting Guidelines] Help! I'm Having Technical Problems and I Don't Know Why!?! for a how-to. Run all of the graphics and sound tests you can before saving the report to a file. Also include the manufacturer and exact/complete model number of your PC if that info doesn't show up in the report.