Alex,
I agree that it is more satisfying to know what the problem actually is so I reverted back to the original installation. I also prefer to archive my vinyl rips in 24bit so I want the proper flac decoder to work. Here is the last portion of the log file:
\ActionWindowNavigation.png
0051314: 3628: Reader: CLocalReader::Close: Closing: D:\Program Files_Main\J River\Media Jukebox 12\Data\Default Art\ActionWindowNavigation.png
0051324: 3628: General: CMainUIWnd::Resize: Start
0051354: 3628: General: CMainUIWnd::Resize: Finish (30 ms)
0051374: 3628: Playback: CPlayerZone::Next: Start
0051374: 3628: Playback: CPlayerZone::Next: Checking for invalid position
0051374: 3628: Playback: CPlayerZone::Next: Attempting next chapter
0051384: 3628: Playback: CPlayerZone::Next: Checking for next disabled
0051384: 3628: Playback: CPlayerZone::Next: Checking for display / internal mismatch
0051384: 3628: Playback: CPlayerZone::Next: Checking can play next state
0051384: 3628: Playback: CPlayerZone::Next: Updating position, old=2
0051384: 3628: Playback: CPlayerZone::Next: new=0
0051394: 3628: Playback: CPlayerZone::Next: Play
0051394: 3628: Playback: CPlayerZone::Play: Start
0051394: 3628: Playback: CPlayerZone::Play: Handling exclusive playback zones
0051394: 3628: Playback: CPlayerZone::Play: Getting actual playback track
0051394: 3628: Service: CServicesPlugins::AllowAction (single file): Start
0051404: 3628: Service: CServicesPlugins::AllowAction (multiple files): Start
0051404: 3628: SDK: CMJFilesAutomation::CMJFilesAutomation: Global Count: 1
0051404: 3628: Service: CAmazonServiceImpl::GetAllowAction: Start
0051404: 3628: Service: CAmazonServiceImpl::GetAllowAction: Finish (0 ms)
0051404: 3628: SDK: CMJFilesAutomation::OnFinalRelease: All objects released
0051404: 3628: SDK: CMJFilesAutomation::~CMJFilesAutomation: Global Count: 0
0051404: 3628: Service: CServicesPlugins::AllowAction (multiple files): Finish (0 ms)
0051414: 3628: Service: CServicesPlugins::AllowAction (single file): AllowAction(Action: Play Prepare) single file results: '1'
0051414: 3628: Service: CServicesPlugins::AllowAction (single file): Finish (20 ms)
0051414: 3628: Service: CServicesPlugins::AllowAction (single file): Start
0051414: 3628: Service: CServicesPlugins::AllowAction (multiple files): Start
0051414: 3628: SDK: CMJFilesAutomation::CMJFilesAutomation: Global Count: 1
0051414: 3628: Service: CAmazonServiceImpl::GetAllowAction: Start
0051424: 3628: Service: CAmazonServiceImpl::GetAllowAction: Finish (10 ms)
0051424: 3628: SDK: CMJFilesAutomation::OnFinalRelease: All objects released
0051424: 3628: SDK: CMJFilesAutomation::~CMJFilesAutomation: Global Count: 0
0051424: 3628: Service: CServicesPlugins::AllowAction (multiple files): Finish (10 ms)
0051424: 3628: Service: CServicesPlugins::AllowAction (single file): AllowAction(Action: Play) single file results: '1'
0051424: 3628: Service: CServicesPlugins::AllowAction (single file): Finish (10 ms)
0051434: 3628: Playback: CPlayerZone::Play: Processing play for 'E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac'
0051434: 3628: Playback: CPlayerZone::Play: Updating internal track info
0051434: 3628: Playback: CPlayerZone::Play: Playing: <XMLFN version="1.0"><Item Name="Filename">E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac</Item><Item Name="ReplayGainTrackAutoPreamp">0</Item><Item Name="FileType">flac</Item><Item Name="ReplayGainTrack">0</Item><Item Name="ReplayGainAlbumAutoPreamp">0</Item><Item Name="ReplayGainAlbum">0</Item><Item Name="MediaType">Audio</Item><Item Name="DatabaseKey">216</Item><Item Name="PlaylistIndex">0</Item></XMLFN> / flac
0051434: 3628: Playback: CPlaybackEngImpl::Play: Start
0051434: 3628: Reader: CLocalReader::OpenInternal: Opening: D:\Program Files_Main\J River\Media Jukebox 12\Data\Default Resources\FileAssociations.xml
0051444: 3628: Reader: CLocalReader::Close: Closing: D:\Program Files_Main\J River\Media Jukebox 12\Data\Default Resources\FileAssociations.xml
0051444: 3628: Playback: CPlaybackEngImpl::Play: Playing E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac with type flac
0051444: 3628: Playback: CPlaybackEngImpl::StartPlayFile: Start
0051484: 3628: Reader: CLocalReader::Close: Closing: E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 3, Polka.flac
0051484: 3628: Reader: CLocalReader::Close: Closing: E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 3, Polka.flac
0051484: 3628: Playback: CWaveFeederHelper::GetForceDirectShow: Returning FALSE for file E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac
0051494: 3628: Playback: CMJWaveFeeder::Play: Start
0051494: 3628: Playback: CMJWaveFeeder::Play: bRadio = 0, m_strFilename = E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac, setting MJ_INPUT_SOURCE_INFO_CACHE_ALL_METADATA
0051505: 4012: Reader: CLocalReader::OpenInternal: Opening: E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac
0051505: 4012: SDK: CMJCurPlaylistAutomation::CMJCurPlaylistAutomation: Global Count: 1
0051505: 3628: Playback: CMJWaveFeeder::Play: Finish (11 ms)
0051505: 3628: Playback: CPlaybackEngImpl::StartPlayFile: Play returned: 1
0051505: 3628: Playback: CPlaybackEngImpl::StartPlayFile: Finish (61 ms)
0051505: 3628: Playback: CPlaybackEngImpl::Play: StartPlayFile returned 1
0051515: 3628: Playback: CPlaybackEngImpl::Play: Finish (81 ms)
0051515: 3628: Playback: CPlayerZone::Play: Play succeeded
0051515: 3628: Playback: CPlayerZone::Play: Finish (121 ms)
0051515: 3628: Playback: CPlayerZone::Next: Applying database changes
0051515: 3628: Playback: CPlayerZone::Next: Finish (141 ms)
0051515: 4012: SDK: CMJCurPlaylistAutomation::OnFinalRelease: All objects released
0051515: 4012: SDK: CMJCurPlaylistAutomation::~CMJCurPlaylistAutomation: Global Count: 0
0051525: 3628: Playback: CPlayerZone::Stop: Start
0051525: 3628: Playback: CPlayerZone::Stop: Checking for not loaded playback engine
0051525: 3628: Playback: CPlayerZone::Stop: Firing stop to playback engine
0051525: 3628: Playback: CMJPlayerCore::Stop: Start
0051525: 3628: Playback: CMJPlayerCore::Stop: Pausing playback to stop sound
0051535: 3628: Playback: CMJPlayerCore::Stop: Stopping visualization data thread
0051575: 3628: Playback: CMJPlayerCore::Stop: Closing feeder thread
0051575: 3628: Reader: CLocalReader::Close: Closing: E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac
0051575: 3628: Reader: CLocalReader::Close: Closing: E:\My Music\Classical\Dvorak\Slavonic Dances Nos. 1, 2, 3 (Shipway, Cantieri)\A. Dvorak - Slawischer Tanz Nr. 1, Furiant.flac
0051575: 3628: Playback: CMJPlayerCore::Stop: Closing main output bin
0051575: 3628: Playback: CMJPlayerCore::Stop: Closing rights object
0051575: 3628: Playback: CMJPlayerCore::Stop: Deleting output plugin
0051575: 3628: Playback: CMJPlayerCore::Stop: Updating play state
0051575: 3628: Playback: CMJPlayerCore::Stop: Finish (50 ms)
0051585: 3628: Playback: CPlayerZone::Stop: Processing internal previous / next
0051585: 3628: Playback: CPlayerZone::Stop: Clearing display info
0051585: 3628: Playback: CPlayerZone::Stop: Updating statistics
0051585: 3628: Playback: CPlayerZone::Stop: Updating playback state
0051585: 3628: Playback: CPlayerZone::Stop: Updating UI
0051585: 3628: Playback: CPlayerZone::Stop: Applying database changes
0051595: 3628: Playback: CPlayerZone::Stop: Finish (70 ms)
0051685: 3628: General: CMainUIWnd::Resize: Start
0051705: 3628: General: CMainUIWnd::Resize: Finish (20 ms)
0055650: 3628: Reader: CLocalReader::OpenInternal: Opening: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Menu_Back.bmp
0055670: 3628: Reader: CLocalReader::Close: Closing: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Menu_Back.bmp
0055670: 3628: Reader: CLocalReader::OpenInternal: Opening: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Menu_Item.png
0055681: 3628: Reader: CLocalReader::Close: Closing: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Menu_Item.png
0055731: 3628: General: CMCResourceHelper::GetIsModalPopupShowing: Menu showing
0060748: 3628: General: CMCResourceHelper::GetIsModalPopupShowing: Menu showing
0060778: 3628: Reader: CLocalReader::OpenInternal: Opening: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Close.png
0060808: 3628: Reader: CLocalReader::Close: Closing: D:\Program Files_Main\J River\Media Jukebox 12\MegaSkins\Noire\Close.png
0064533: 3628: General: CMCResourceHelper::GetIsModalPopupShowing: Main window disabled
0064533: 3628: General: RunProgram: Start
0064533: 3628: General: RunProgram: Filename: C:\Documents and Settings\John\Application Data\J River\Media Jukebox 12\Log.txt / Parameters:
0064784: 3628: General: RunProgram: Running...
0064784: 3628: General: RunProgram: Finish (251 ms)