No sound in MPEG2 video after upgrading to QT 7.6.6

I still have a problem with QT playing the sound of MPEG2 videos after upgrading to QT 7.6. I had this problem one year ago and solved it by downgrading to QT 7.5. Now I did the automatic update suggested by the system which insrtalled QT 7.6.6
Unfortunately again no sound when playing MPEG2 videos (I have the MPEG2 QT component installed). When converting the video to MPEG1 or MP4 there are no problems at all. So it seems to be a problem of the MPEG2 component together with QT 7.6
Any idea how I could solve this? Is the a MPEG2 component update which works with QT 7.6?
Thanks for your help
Wolfgang

I downloaded the new MPEG2 component (unfortunately I had to pay the 20 EUR as my previous download has been in something liek 2008 and is no longer registered in the Apple Store
Strange! I made my original pre-QT v6.4 MPEG-2 component purchase in September of 2002 and it was automatically updated to the version for QT 6.4 thru QT v7.5 which was then automatically updated for QT v7.6 and later. It would seem the European stores may operate differently than the US store. You may wish to hang onto you purchase information in case this ever happens again in order to discuss the matter with Customer Service or at least learn the specific terms/limitations of your purchase agreement and/or account.
I hope this solves the problem but it seems most likely that the incompatibility of the old MPEG2 component and QT 7.6.x is the reason for my problem. You may be right
I opened up the installer package after reading your latest post and noticed a statement that QT 7.6 is "required" for this update. So it looks like there were some compatibility issues with the change to QT v7.6 software.
In any case, wish you the best of luck...

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