I did the jailbreak again to collect some more informations.
- setting up Wlan
- Softwareversion 4.1
- Internet works (checked a YouTube Video)
- Running ATVFlash installer - Transferring Files - Successfull
- No new items on the Screen
- Again Running ATVFlash installer - Transferring Files - Successfull
- One new Tab (Maintenance) with 3 items : Manage Extras,Settings,About
- About shows beta2
- Maintenance shows: Last.fm, Couch Surfer Pro, nitoTV,Maintenance
- installing nitoTV finnishes after 5 Minutes, but shows as Not installed
Well, same results as on my last try and i guess nothing i am doing wrong.