Aryadip wrote: Try using [ Assembly:EnvironmentPermission(SecurityAction.Assert)] MS docs caution the use of Assert. I think MS suggests setting up permissions via the mscorcfg snap-in instead of bypassing security. Please correct me if I am wrong. Thanks. R.Bischoff Denn Gott hat die Menschen so sehr geliebt, daß er seinen einzigen Sohn für sie hergab. Jeder, der an ihn glaubt, wird nicht verlorengehen, sondern das ewige Leben haben

I'm not sure what test users permissions are??? sorry, but I created a new user with guests rights. What could I possibly change? (Something .net relative perhaps, changing assembly trust, library trust, executable trust .......) Thanks, Paul