Thanks for sharing your solution.
- martin
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize\AppsUseLightTheme
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize\SystemUsesLightTheme
HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize\AppsUseLightTheme
Invalid data type for 'AppsUseLightTheme'