With the Pro version, you should have full sandbox controls - Try running the game again, it may ask again, if it does you can elect to run Normally.
You should be able to right click on the games executable file and choose not to run sandboxed
If it goes right into the sandbox, then you are going to have to check your sandbox settings and see if it is listed to run in the sandbox always. Or add it to the Expert settings, Exclusions.