Bump. I now have MC 12.0.157 and experiencing the same problems as above, but this time with a "Failed to Pause" message. (choppy tv playback and error on timeshift).
Here is my part of my TV log:
Media Center; Version: 12.0.157; Types: 2048
0009828: 5112: TV: CMJTVCtrl::FinalConstruct: Start
0009844: 5112: TV: CMJTVCtrl::FinalConstruct: HWND: 0. MainTVManager created: A1952F8
0009844: 5112: TV: CMainTVManager::InitializeDevicesLists: Start
0009844: 5112: TV: CDeviceList::Init: Start
0009844: 5112: TV: CDeviceList::Init: Finish (0 ms)
0009844: 5112: TV: CDeviceList::Init: Start
0009860: 5112: TV: CDeviceList::Init: Indexed FriendlyName: 01. TOSHIBA PCI TV Tuner
0009860: 5112: TV: CDeviceList::Init: DevicePath: \\?\pci#ven_14f1&dev_5b7a&subsys_00101179&rev_00#4&ad1b67f&0&48f0#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{9b365890-165f-11d0-a195-0020afd156e4}
....
0030953: 5112: TV: CDeviceSpecificHandling::TSRenderStreamsToWriter: Finish (156 ms)
0030953: 5112: TV: CTimeShifting::BuildTimeShiftGraph: Finish (156 ms)
0030953: 5112: TV: CMainTVManager::Pause: Finish (515 ms)
0030969: 5112: TV: CTimeShifting::GetPosition: Start
0030969: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0030969: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0030985: 5112: TV: CTimeShifting::GetPosition: Start
0030985: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0030985: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0031422: 5112: TV: CTimeShifting::GetPosition: Start
0031422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0031422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0031422: 5112: TV: CTimeShifting::GetPosition: Start
0031422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0031438: 5112: TV: CTimeShifting::GetPosition: Finish (16 ms)
0031922: 5112: TV: CTimeShifting::GetPosition: Start
0031922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0031922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0031922: 5112: TV: CTimeShifting::GetPosition: Start
0031922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0031922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0032422: 5112: TV: CTimeShifting::GetPosition: Start
0032422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0032422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0032422: 5112: TV: CTimeShifting::GetPosition: Start
0032422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0032422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0032922: 5112: TV: CTimeShifting::GetPosition: Start
0032922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0032922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0032922: 5112: TV: CTimeShifting::GetPosition: Start
0032922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0032922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0033422: 5112: TV: CTimeShifting::GetPosition: Start
0033422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0033422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0033422: 5112: TV: CTimeShifting::GetPosition: Start
0033422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0033422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0033922: 5112: TV: CTimeShifting::GetPosition: Start
0033922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0033922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0033922: 5112: TV: CTimeShifting::GetPosition: Start
0033922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0033922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0034422: 5112: TV: CTimeShifting::GetPosition: Start
0034422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0034438: 5112: TV: CTimeShifting::GetPosition: Finish (16 ms)
0034438: 5112: TV: CTimeShifting::GetPosition: Start
0034438: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0034438: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0034922: 5112: TV: CTimeShifting::GetPosition: Start
0034922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0034922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0034922: 5112: TV: CTimeShifting::GetPosition: Start
0034922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0034922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0035438: 5112: TV: CTimeShifting::GetPosition: Start
0035438: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0035453: 5112: TV: CTimeShifting::GetPosition: Finish (15 ms)
0035453: 5112: TV: CTimeShifting::GetPosition: Start
0035453: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0035453: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0035938: 5112: TV: CTimeShifting::GetPosition: Start
0035938: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0035938: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0035938: 5112: TV: CTimeShifting::GetPosition: Start
0035938: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0035938: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0036422: 5112: TV: CTimeShifting::GetPosition: Start
0036422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0036422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0036422: 5112: TV: CTimeShifting::GetPosition: Start
0036422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0036422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0036922: 5112: TV: CTimeShifting::GetPosition: Start
0036922: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0036922: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0036922: 5112: TV: CTimeShifting::GetPosition: Start
0036938: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0036938: 5112: TV: CTimeShifting::GetPosition: Finish (16 ms)
0037422: 5112: TV: CTimeShifting::GetPosition: Start
0037422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0037422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)
0037422: 5112: TV: CTimeShifting::GetPosition: Start
0037422: 5112: TV: CTimeShifting::GetPosition: Reader filter: 0x0, GB: 0x0
0037422: 5112: TV: CTimeShifting::GetPosition: Finish (0 ms)