With this tool processes can be launched with TrustedInstaller/SYSTEM privileges. By default processes are launched with TrustedInstaller privileges. To launch processes with SYSTEM privileges, a setting in PowerRun.ini has to be modified ("TrustedInstaller=0") PowerRun can also be used on a command-line. After a simple drag&drop action of a file to the window of PowerRun it has been added to the list and can be run with highest privileges. Parameters, Working Directory and the Startup Windows state can be changed. PowerRun v1.3 (February 13, 2018) Website
This could be useful. At the moment I use Registrar Registry Manager, when I need to access a registry key that I can't access with regedit.
Thanks @mood - I have Sordum's PowerRun but not updated yet. Will see what bugs it fixed after D/L. Been using Nirsofts Advanced Run This is important and it's good it was displayed via screenshots too.