Stop Remote Shutdown

I do lock my computer on a regular basis btw when I am out of the office. They don't use my machine to remotely shutdown my machine.

They have just been giving me clues I just don't know what I am doing wrong in order to stop it. I have created a BAT file and they said something about adding a task to the event viewer...which I have done but that isn't working :S

Ok, so I have found the event in event viewer and attatched a task to runt the "shutdown -a" command when the command is issued. It executes fine, but then they did it again and it executed, but shut down anyway. I asked them to do it again, only this time give me 30 seconds and when I typed in "shutdown -a" it said "access denied."

Somewhere down the line, I have disabled something when I first tried to stop them doing it. I have gone back over to the Local Policies and put the access rights back in. I just can't remember if there is anything else I have removed in order to try and stop them...any Ideas?!?

I got it working the way I said above, the only problem being that the bat didn't execute because I have removed permissions somewhere and I cannot remember how. When I type in CMD "shutdown -a" it says "Access Denied" I know I have removed something but I cannot remember what.