I wanted to try out Synfig on my Windows 8 (64-bit) machine, but after I installed it I noticed that Gimp and MyPaint were suddenly using GTK for rendering their themes. I uninstalled Synfig and GTK since both had an entry in Windows’ Uninstaller, but even after a restart both programs still have the same problem.
I use Mypaint on a daily basis for sketching, and the GTK theme is an eyesore. Is there a registry entry that might have stuck around after the uninstall? If so, where would it be located in the registry?