New
#11
Not sure that it's much help but see the thread here:
How to change background color of Folders in Windows 7
And see colors shown in Post #30
Also note: For colour changes / theme changes - they worked fine for me by just logging off /on. Other users seem to need to reboot for changes to take effect. So try applying a theme then rebooting. Choose a basic them to test.
Worth a read: How to install 3rd party theme in Windows
So basically the fix might involve replacing explorerframe.dll with a backup copy. Note: That's a guess I'm no expert on themes as Ialways use Classic Theme myself.