I'm having the exact same issue the original poster in this thread had. I have Win 7, and can't get the 109 patch to work. Game color problems are the least of my worries right now. Was there a fix for this? I read through all the pages and don't see one.
Edit:
I also tried to connect to battlenet, and cannot. So, no way to get the patch. However, I started a single player game, and my colors look fine.
Wanted to initiate my son to Diablo via multiplayer. Really hope someone can tell us how I can get the patch, and how we can play multiplayer now. I've read enough to know that IPX isn't going to work with Windows 7. So, I guess I need to be able to connect to Battlenet. Unless there's a way to get IPX.
Edit 2: Still waiting for answers. Hans was helping me a bit, and mentioned Win 7 needs the NT patch. Still doesn't work. Get this message, when try to run patch:
"This program is used to upgrade programs through battle.net and does not need to be run"
Right click on the patch program and click compatibility. Check "Run this program in compatibility mode for" and choose Windows XP (Service Pack 2). Then check "Run this program as an Administrator" and hit OK.
This should let you run the patch, after which Diablo will have crazy color problems.
To solve the color problem, right click on your desktop and choose "Screen Resolution." Just leave that window open and run Diablo. Don't know why this works, but it does.
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Right click on the patch program and click compatibility. Check "Run this program in compatibility mode for" and choose Windows XP (Service Pack 2). Then check "Run this program as an Administrator" and hit OK.
This should let you run the patch, after which Diablo will have crazy color problems.
To solve the color problem, right click on your desktop and choose "Screen Resolution." Just leave that window open and run Diablo. Don't know why this works, but it does.
HTH.