If you want to run it automaticly as an admin follow these steps:
1) Go to pawno.exe
2) Click RMB (Right Mouse Button) on pawno.exe
3) Click on properties (maybe for you it will say something else, but make sure you click on the lowest button.. So the button at the bottem)
4) At the top you will see 4 tabs, go to the second one
5) You're now at 'Compatiblilities' go to the lowest option at the bottem
6) It will say something about 'Run as Administrator', make sure you got this one checked.. So, click on the box.
7) Now press 'OK' at the bottem
Now you're done!
Have fun!