What is gdi preferencemanager.dll doing on my computer?
gdi preferencemanager.dll is a GDI PreferenceManager
belonging to Black Gold Preference Manager
Non-system processes like gdi preferencemanager.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.