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<blockquote data-quote="mm1352000" data-source="post: 696735" data-attributes="member: 82144">Hi againI have really racked my brains about what could be causing this issue. To be honest I am completely at a loss to explain it. I don't *think* the error in the log is related, but even that is difficult to explain. Short of an installation or permissions error, the only thing that I can think of that would explain something like this is DRM (which is entirely plausible under the circumstances)...Would it be too much to ask to get you to completely uninstall MediaPortal and TV Server (removing settings as well) and then reinstalling as administrator? I doubt it will help but it is all I can think of.By the way, the error you saw in the log is [according to Microsoft] apparently not an error - it is what happens when you try to get the list of devices/filters from an empty category. Of course we have the screenshot to prove that the BDA Source category is *not* empty, but &quot;empty category&quot; is the result we're getting back from our query. I can't do any more debugging than what I'm already doing. The function that actually gets the list is a system (DirectShow) function. If it returns no devices then TV Server gets no devices. Simple as that.From my perspective it would be interesting to know if there are any other categories within GraphStudio that contain any Ceton tuner entries. I'd also be interested to know if the tuners would show up if you did a fresh install of W7 and didn't install any Microsoft updates (especially PlayReady and DRM ones!), but I guess that is really beyond the scope of this investigation.I apologise that I haven't been able to sort this out :sorry:</blockquote>

[QUOTE="mm1352000, post: 696735, member: 82144"] Hi again I have really racked my brains about what could be causing this issue. To be honest I am completely at a loss to explain it. I don't *think* the error in the log is related, but even that is difficult to explain. Short of an installation or permissions error, the only thing that I can think of that would explain something like this is DRM (which is entirely plausible under the circumstances)... Would it be too much to ask to get you to completely uninstall MediaPortal and TV Server (removing settings as well) and then reinstalling as administrator? I doubt it will help but it is all I can think of. By the way, the error you saw in the log is [according to Microsoft] apparently not an error - it is what happens when you try to get the list of devices/filters from an empty category. Of course we have the screenshot to prove that the BDA Source category is *not* empty, but "empty category" is the result we're getting back from our query. I can't do any more debugging than what I'm already doing. The function that actually gets the list is a system (DirectShow) function. If it returns no devices then TV Server gets no devices. Simple as that. From my perspective it would be interesting to know if there are any other categories within GraphStudio that contain any Ceton tuner entries. I'd also be interested to know if the tuners would show up if you did a fresh install of W7 and didn't install any Microsoft updates (especially PlayReady and DRM ones!), but I guess that is really beyond the scope of this investigation. I apologise that I haven't been able to sort this out :sorry: [/QUOTE]

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