Hello Mac,

Thanks again for your reply, and yes, i did install the latest version of RB 2010.5 build 2 (see my original posting). In the meantime i have tried another thing: installing a generic text/only printer and set it as default preceding my HP Deskjet C4580 Printer because I remembered someone on the net gave that suggestion in the past to solve Midi-errors occurring with HP Printers. But unfortunately that didnt help.

I will try your latest suggestion to install RB 2010 over the present installation again followed by the latest patches and then I will let you know the results.

Thanks for your helpful suggestions so far,

Valentino