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Message: <blockquote data-quote="jo16v" data-source="post: 319291" data-attributes="member: 81927">8.10 is actually the latest Catalyst driver - I did install the leaked final version which might not be helping since it installed a load of stuff for hardware I don't even have and forced windows re-activation due to hardware changes.It passed all the directx tests without a problem- the shared memory is set to auto in BIOS but control panel>system shows 1.75GB RAM out of 2GB so I assume it is using 256MB.I take it this means I have to uninstall PowerDVD as well? I am little wary of doing this as I now have TV working with a good picture albeit without acceleration. One thing that may help in working out what is wrong with my setup ..I tried to set MPC-HC as my external movie player in MP config- this works fine for .avi and .wmv files (including .wmv HD files) but for .mov (quicktime) files it produces the following error (note if I open them in MPC-HC directly there is no error):AppName: mpcplayerc.exe AppVer: 1.1.604.0ModName:quartz.dll  ModVer: 6.5.2600.5596 Offset:000945bbSo it looks like something may be wrong with my quartz.dll which is associated with quicktime decompressor and quicktime movie parser filters (according to <a href="http://www.dvbviewer.info/forum/index.php?showtopic=2543&start=0&p=14941&#entry14941" target="_blank">radlight filter manager</a>). <a href="http://www.bsplayer.com/forum/viewtopic.php?p=15157" target="_blank">This thread</a> suggests that installing and uninstalling an AVI splitter (i.e. haali which I did install and uninstall about 5 times<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" />) might have caused a problem with quartz.dll which might be fixed by reregistering so will try that, reboot in a sec.UPDATE: OK, something changed, 720p .mov files will now open with MPC-HC set as the external player in MP config, but 1080p .mov files stll crash it with the same quartz.dll error. Still get the same results using internal MP player i.e. no .mov (quicktime) files open, .wmv files are blank, .ts interlaced HD files work and avi and mpg.UPDATE 2: The audio problem seems to be reset by viewing an HD channel (BBCHD). If I go to BBCHD from a channel with audio working or not the sound on BBCHD will work, the next channel I access after BBCHD will have sound, but if I then goto an SD channel sound will go off, then to another SD it will be on, then another it will be off etc.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad    :mad:" loading="lazy" data-shortname=":mad:" /> This and the above problems may be moot though as I think I may try a reinstall this weekend with the minimum amount of drivers and software.</blockquote>

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