I upgraded to Win8Pro the last days and now I have serious Performance Problems during the game. It runs really slow and is hardly playable in the Tactical Screen.

The game was running perfectly on Win7.

Does anyone have a Solution, how I could Increase the Performance again?

Used Resulotion 640*480 (higher Resulotions are even worse)

You can try to run the game in Win 7 Compatibility-Mode. Maybe it helps.
I don't have Win 8, so I can't test it myself.

I encountered the same problem today.

Try the following two methods.
I had to apply both of them (in the exact order as mentioned below) to get the game to work.

[edit] link was missing, sorry.

[edit2]
... hmm, since I can't post links here ( why not? ), I will just copy&paste the info here (with edits regarding the links). You will have to google for the necessary files yourself, I'm afraid.

[edit3]
what the f...?! Ok, apparently I need Angel/OA clearance or something, since half of the information was missing from my previous post. Next try: I will attach a jpeg with the descriptions. Hope it works.

Hey, thanks for the Info i give it a try when I have some spare time!

So, I tried to follow the advice of extracting wined3d with winzip, but I couldn't figure out how? Can anyone help?

Hi Measle,

I don't think it's going to work with winzip (or winrar).
With 7-zip you should be able to open the file like any other archive.

Hi, I have the same bad performance problem under Windows 10.

So I tried to download and extract the Wine DLLs.
But in the SYSDIR folder, there is no "ddraw.dll" like the screenshot says.

What to do now?

Edit:

I found a solution myself.
The latest WineD3D.exe doesn't contain ddraw.dll.
But the previous version, 1.1.38 does.

For me the 3 DLL files are enough to fix the bad Windows 10 performance.
I don't need to run the game at 16-bit colors, as admin, or in XP compatibility mode.
Maybe the XP mode will give even more performance to older PCs.

Thank you for the WineD3D info.

Also worked for me! Thanks for the help