I'm having some issues on my Windows 7 Pro PC. For quite some time I've been unable to use 'run as administrator'. I mainly use this for the command prompt and need elevation to do what I need to do.
I've created a shortcut for the command prompt and do a right-click, run as administrator. Same with if I do the ctrl+shift+enter when entering cmd in the run dialog. I've turned UAC back on (it was off), turned it off and back on again - no love. If I put UAC on, I do get the prompts when things try to install.
When I do attempt a run as administrator, regardless of the method I use, absolutely nothing happens. The command prompt doesn't even open. I've tried it with programs other than cmd, and I get the exact same thing -program doesn't open, no UAC dialog when UAC is turn on (and obviously no UAC dialog when it's off!)