I have the same problem on a system with RADEON HD 6450 graphics card; on my second computer with NVIDIA Geforce all is running flawless. Probably the issue is due to the RADEON module. Regards Johannes-Heinrich Vogeler -- Dr. Johannes-Heinrich Vogeler Am Kiesgrund 16 b D-16548 Glienicke/Nordbahn e-mail: auceps@t-online.de