Thanks for the tip, but unfortunately i have no such icon on my desktop.
I tried " Run webbrowser sandboxed" from my startmenu, but i only get another error message: " SBIE2331 Service start failed: [22 / 5] Toegang geweigerd" ('Toegang geweigerd' = 'Access denied' - in Dutch).
After i click " Ok" i get a new error message: " The Sandboxie driver (SbieDrv) is not available to sandbox programs. Make shure both the driver and Sandboxie service (SbieSvc) have started succesfully."
I guess they didn't start succesfully
Again, i can only click " Ok" , after that..... nothing actualy (unfortunately).