Yes it is a known issue. This is a bug in the VMs. It was recently discussed in the thread "Core font" that you have started.

Yes, the interesting thing is that I just had a flickering when we started the above discussion (which was acceptable). Now I get fully painted white rectangles - which is another and now really ugly effect. Thx T. -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01