Problems With Changing Display Colors

Problems With Changing Display Colors

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Once there, look for the 'Color Scheme' option and choose your pattern: 2) You can also change the desktop scheme that Windows uses - this would control the colors, etc. Outside of QuickBooks. This is where you might have seen a screen with the leaves pattern you mentioned.

Key points

Windows XP, Vista and 7 have compatibility issues with DirectDraw games using 256 color depth resulting in incorrect colors.
On Windows 7, these applications could also fully lock up the display requiring a hard reset.[1]
This color issue does not occur on Windows 8 and later; the steps below only apply to earlier versions.
  • 2Fixes

Cause[edit]

This issue appears to be caused by Explorer.exe resetting the system palette, essentially overwriting the palette defined by the game (hence the rainbow colors). This is evidenced by how taking a screenshot of an affected game will show just the discoloration with black where the other game assets would be rendered and by the fix itself.

A more technical explanation: These games rely on DirectDraw, an API in DirectX which was used to render graphics which is now deprecated. More specifically, they used an exclusive palette, where they set the system palette (the colors the system can use, back when there were only 256 colors) to the palette the game wants to use. However, some applications try to set their own exclusive palette, causing conflicting colors since the game's exclusive palette is no longer actually exclusive and is set to the wrong colors. In newer versions of Windows, CSRSS and the desktop window (explorer.exe) set their own palette, which causes the odd colors.[2]

Fixes[edit]

DirectDraw Compatibility Tool[edit]

DirectDraw Compatibility Tool is designed to fix color palette corruption in the old games.

w7ddpatcher[edit]

w7ddpatcher is the simplest and best method.[citation needed]

PalettestealerSuspender[edit]

PalettestealerSuspender prevents palette issues using a different method.[3]

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DxWnd DirectDraw emulation[edit]

DxWnd was originally created to enable old DirectX games to run in a window. Nowadays it provides far more features: It can fix the odd rainbow color issue, enable time stretching, and you can decide between running the game in a window or in full screen.

Registry hack[edit]

Windows 7 actually has a builtin, hidden fix for this issue but requires editing the registry.
Reg-hack[4]
  1. Run your game at least once and exit out of it.
  2. Go to the registry and navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftDirectDrawMostRecentApplication (if you're using 64 bit, go to HKEY_LOCAL_MACHINESOFTWAREWow6432NodeMicrosoftDirectDrawMostRecentApplication)
  3. Take a note of the name, game.exe, and the ID, which looks similar to this: 0x02e41c67
  4. Remove the '0x' part of the ID and separate the values into pairs, like this: 02 e4 1c 67
  5. Take the pairs and reverse their order, like this: 67 1c e4 02
  6. Open Notepad and add the following. Change NameOfGame to whatever you want, leave Flags alone, enter your own ID keeping commas intact, and change game.exe to whatever it is.

32 bit only

or
64 bit only

7. Save it as fix.reg and run it to import it to the registry.

Not the best method for new users as editing the registry incorrectly can damage your OS.

Kill Explorer with batch script[edit]

Paste the following into a text editor and save as a batch script. Run it from the game's folder:

If script fails/crashes before it restores the Explorer, you will be left with a blank desktop screen and will have to manually restart the process by the windows key+R to bring up the run dialog and typing 'explorer.exe'

See also[edit]

References

  1. ↑DirectDraw applications Freeze on Windows 7 anywhere between 1 minute and 3 hours into running them - Microsoft Answers
  2. ↑gdi - 'Exclusive' DirectDraw palette isn't actually exclusive - Stack Overflow
  3. ↑Bed Against The Wall: Solving Color Problem (Red Grass, Purple Water) In Age Of Empires 2: Age Of Kings (The Conquerors And Others Too) On Vista And Windows 7
  4. ↑https://www.neowin.net/forum/topic/927140-win7-fixing-old-256-color-games-with-distorted-palettes/
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Problems With Changing Display Colors