Patching System Files
If installing UXThemePatcher doesn't work, and taking ownership of the files also does not work, try just manually copy/pasting the 2 .dll's into C:\Windows\System32 folder and restarting.
If installing UXThemePatcher doesn't work, and taking ownership of the files also does not work, try just manually copy/pasting the 2 .dll's into C:\Windows\System32 folder and restarting.