Huh? The EXE-file is included with the backage of Darkstone... If you don't want to alter the original one, simply copy it, rename it and change its name to have a secured backup... However, the patches seem to work fine for me at least... I bought version "99july" or whatever it was from the beginning... Then you have to patch all 3 patches on top of eachother for it to work. You can not patch directly from 1.0 to 1.05 for example. You have to patch them all in order... 1.0 to 1.02 to 1.03 to 1.04 and so on... I've never seen the 1.0 to 1.02 patch but the others can be found at
www.dolphinesoft.com (if I recall Darkstones official site correctly)
If there is a problem I can't mail the darkstone.exe because I don't have internet at home any more. I'm writing this from a friends place whom I have yet to persuade to get Darkstone but he insists on playing Diablo 2 only... :/