Can't play OGG Vorbis in iTunes but can in QuickTime Player

XiphQT for Windows 0.1.5, iTunes 10.5.0.142, QuickTime 7.7.1, Windows Vista
SP2 Home Basic 32 bit.

It worked with iTunes 10.0.1.22 (QuickTime 7.6.8). But stopped after last
update of iTunes and QuickTime.

PS: I can't register on https://trac.xiph.org
My error is like an old https://trac.xiph.org/ticket/1289

Anatoly