>I'm trying to show the "browse for foder" dialog, but I don't find the way to automatically select "my Computer" as default (an opened). It's for a backup soluction.
There is no such folder like My Computer (or Computer in Vista/Win7)
You could try Open Dialog AcriveX (not sure if it will work).
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.