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<blockquote data-quote="RobNorthcott" data-source="post: 317424" data-attributes="member: 57999">Thanks Ray.&nbsp; I'm using an oldish nVidia driver (sorry - can't remember which version at the moment) because last time I updated it it caused all sorts of problems - I could try again now (that was some time ago).&nbsp; It's good to know that EVR and XP should be OK, so it's not a waste of time messing about with it.Since I changed the mpeg codec from Purevideo to one of the others it hasn't actually hung during watching live TV, but I sometimes get a bit of jerking/stuttering for a second or two.&nbsp; I'm starting to wonder if it's actually signal problems and the Purevideo codec can't handle that.&nbsp; Interestingly, when it stutters badly there seems to be a lot of hard drive accessing going on (not timeshift file - I've got that on an external flash drive).Even though it doesn't completely hang, when I close MP there is often a Microsoft &quot;MediaPortal has caused an error and has to close&quot; message on the screen, although MP seemed to carry on fine.Anyway, I'll keep fiddling - perhaps try another codec (Purevideo gives a nicer picture but definitely seems less stable than others).&nbsp; Thanks for the hints.&nbsp; I'll try watching something on the TV server preview like you suggested and see if it's better.If I'm recording something, TV server carries on happily recording in the background even after MP appears to have completely hung.&nbsp; In fact, it's never failed to record anything and is extremely reliable in this respect.RobEDIT:&nbsp; Spoke too soon - my wife's watching the Simpsons and it just completely lost the picture, then became utterly unresponsive and had to be rebooted.&nbsp; Bummer.&nbsp; Hasn't done it for a long time though.EDIT Again: Graphics card driver is version 91.31</blockquote>

[QUOTE="RobNorthcott, post: 317424, member: 57999"] Thanks Ray. I'm using an oldish nVidia driver (sorry - can't remember which version at the moment) because last time I updated it it caused all sorts of problems - I could try again now (that was some time ago). It's good to know that EVR and XP should be OK, so it's not a waste of time messing about with it. Since I changed the mpeg codec from Purevideo to one of the others it hasn't actually hung during watching live TV, but I sometimes get a bit of jerking/stuttering for a second or two. I'm starting to wonder if it's actually signal problems and the Purevideo codec can't handle that. Interestingly, when it stutters badly there seems to be a lot of hard drive accessing going on (not timeshift file - I've got that on an external flash drive). Even though it doesn't completely hang, when I close MP there is often a Microsoft "MediaPortal has caused an error and has to close" message on the screen, although MP seemed to carry on fine. Anyway, I'll keep fiddling - perhaps try another codec (Purevideo gives a nicer picture but definitely seems less stable than others). Thanks for the hints. I'll try watching something on the TV server preview like you suggested and see if it's better. If I'm recording something, TV server carries on happily recording in the background even after MP appears to have completely hung. In fact, it's never failed to record anything and is extremely reliable in this respect. Rob EDIT: Spoke too soon - my wife's watching the Simpsons and it just completely lost the picture, then became utterly unresponsive and had to be rebooted. Bummer. Hasn't done it for a long time though. EDIT Again: Graphics card driver is version 91.31 [/QUOTE]

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