New to the server but not the game....I figured I would try sandbox mode, I thought typing items would be much simpler...I was wrong.
Welcome to the server, the item maker in the above link helps make items for sandbox mode easily.
I'm gonna advertise it with "Did you think typing items was simple?"
That would be pretty funny, however I wish there was a way I could bind a key to type that stuff out in-game to where I don't need to type it out. I tried downloading your editors but nothing happened when I launched them. Typing is fine for now.
You don't necessarily have to run the game with those compatibility settings. And the tool definitely doesn't require it.
The problem you are having is that UAC (User Account Control) dims the desktop when asking for permission to run applications as administrator.
Turn UAC down at least 1 level and it will be ok.
Here a guide, select the lowest one or the second from the bottom.