Is that exactly what it says? "open with sandboxie"
Not "Run Sandboxed"?

Sure. Hang on

http://www.tech-recipes.com/windows_tips1174.html

Yes. But if you dont want to, just say so. It's a good time to start learning tho@

Thanks lighthouse. I'll follow scott's link. Thanks scott.

if u are a little scared of playing with the registry, u should probs create a restore point by right clicking on my comp and cliking on system protection.
you could also create a registry backup using CC Cleaner

billbonza. So you got rid of the entry OK? It's really not that difficult is it?