2012/1/31 Stefan Hegnauer <stefan.hegnauer@xxxxxx> > What DOES work for me is to also disable both the igfx tray module > (c:\windows\system32\igfxtray.exe) and the igfxpph Module > (c:\windows\system32\igfxpph.dll) in addition to the persistence Module > (c:\windows\system32\igfxpers.exe) using AutoRuns, which you can download > from Microsoft. Note that the igfxpph module may exist in several locations > (two in my case), and you have to disable all of them. Reboot after > changing > settings! > Disabling this files by Autoruns and rebooting resolve this issue. Thanks to all for advices.