When attempting to start PRTK, "Starting the User Interface" appears and then the PRTK window closes.
If a "GodMode" control panel folder is located on the desktop, then delete or move that folder to a different location.
If a "GodMode" control panel folder is located on the desktop, this will prevent PRTK from opening completely.
This seems to occur with Windows 10 only, i.e. PRTK can open and function fine in Windows 8.1 and Windows 7 while a "GodMode" folder is on the desktop.
Windows 10, all editions