Hi jmarshall. Here's a little more information. Maybe this will help.
I turned on debug logging. I then started xbmc in which I navigated to movies, pressed the info button over the first movie (2012), changed the thumbnail with Get Thumb, then navigated back to the home screen with BKSP and closed XBMC.
I believe this is the relivent part of the log file:
Code:
01:26:16 T:2240 M:1568899072 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [2048]
01:26:16 T:2240 M:1567830016 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [4096]
01:26:16 T:2240 M:1567719424 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [8192]
01:26:16 T:3720 M:1568309248 DEBUG: CImageLoader::DoWork - took 496 ms to load special://masterprofile/Thumbnails/Video/0/0ed8e9ae.tbn
01:26:16 T:2240 M:1567436800 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [16384]
01:26:16 T:2240 M:1566928896 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [32768]
01:26:16 T:2240 M:1566031872 ERROR: CDVDDemuxFFmpeg::Open - error probing input format, D:\Movies\Suspiria (1977)\Suspiria.avi
01:26:19 T:2636 M:1575542784 DEBUG: CVideoDatabase::GetMovieId (D:\Movies\2012 (2009)\2012.avi), query = select idMovie from movie where idFile=571
01:26:19 T:2636 M:1575534592 DEBUG: CVideoDatabase::GetMovieId (D:\Movies\2012 (2009)\2012.avi), query = select idMovie from movie where idFile=571
01:26:19 T:2636 M:1575493632 DEBUG: ------ Window Init (DialogVideoInfo.xml) ------
01:26:19 T:2636 M:1575493632 INFO: Loading skin file: DialogVideoInfo.xml
01:26:19 T:2636 M:1575464960 DEBUG: Load DialogVideoInfo.xml: 63.10ms
01:26:19 T:2636 M:1575596032 DEBUG: Alloc resources: 65.87ms (63.30 ms skin load)
01:26:21 T:2636 M:1573580800 INFO: Loading skin file: FileBrowser.xml
01:26:21 T:2636 M:1573568512 DEBUG: Load FileBrowser.xml: 18.68ms
01:26:21 T:3600 M:1573568512 DEBUG: thread start, auto delete: 0
01:26:21 T:2376 M:1573568512 DEBUG: thread start, auto delete: 0
01:26:21 T:2636 M:1573568512 DEBUG: ------ Window Init (FileBrowser.xml) ------
01:26:21 T:464 M:1573568512 DEBUG: thread start, auto delete: 0
01:26:21 T:2636 M:1573568512 DEBUG: Alloc resources: 1.49ms (0.00 ms skin load)
01:26:21 T:2376 M:1573568512 DEBUG: FileCurl::Open(07C7FA8C) http://hwcdn.themoviedb.org/posters/deb/4bc9418f017a3c57fe01bdeb/2012-original.jpg
01:26:21 T:464 M:1573568512 DEBUG: FileCurl::Open(0924FA8C) http://hwcdn.themoviedb.org/posters/df0/4bc9418f017a3c57fe01bdf0/2012-original.png
01:26:21 T:2376 M:1573568512 INFO: XCURL::DllLibCurlGlobal::easy_aquire - Created session to http://hwcdn.themoviedb.org
01:26:21 T:464 M:1573568512 INFO: XCURL::DllLibCurlGlobal::easy_aquire - Created session to http://hwcdn.themoviedb.org
01:26:21 T:3600 M:1573568512 DEBUG: FileCurl::Open(06F7FA8C) http://hwcdn.themoviedb.org/posters/df5/4bc94190017a3c57fe01bdf5/2012-original.jpg
01:26:21 T:3600 M:1573568512 INFO: XCURL::DllLibCurlGlobal::easy_aquire - Created session to http://hwcdn.themoviedb.org
01:26:23 T:2376 M:1569845248 DEBUG: FileCurl::Close(07C7FA8C) http://hwcdn.themoviedb.org/posters/deb/4bc9418f017a3c57fe01bdeb/2012-original.jpg
01:26:23 T:2376 M:1569845248 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/a/a59f7aa2.tbn
01:26:23 T:3600 M:1567711232 DEBUG: FileCurl::Close(06F7FA8C) http://hwcdn.themoviedb.org/posters/df5/4bc94190017a3c57fe01bdf5/2012-original.jpg
01:26:23 T:3600 M:1567711232 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/a/ac1d41cc.tbn
01:26:23 T:2376 M:1565892608 DEBUG: FileCurl::Open(07C7FA8C) http://hwcdn.themoviedb.org/posters/dfa/4bc94191017a3c57fe01bdfa/2012-original.jpg
01:26:23 T:3600 M:1568010240 DEBUG: FileCurl::Open(06F7FA8C) http://hwcdn.themoviedb.org/posters/dff/4bc94191017a3c57fe01bdff/2012-original.jpg
01:26:24 T:2776 M:1567440896 DEBUG: CImageLoader::DoWork - took 193 ms to load special://masterprofile/Thumbnails/Pictures/a/a59f7aa2.tbn
01:26:24 T:464 M:1567313920 DEBUG: FileCurl::Close(0924FA8C) http://hwcdn.themoviedb.org/posters/df0/4bc9418f017a3c57fe01bdf0/2012-original.png
01:26:24 T:464 M:1567313920 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/a/a8dc5c7b.tbn
01:26:24 T:2376 M:1561772032 DEBUG: FileCurl::Close(07C7FA8C) http://hwcdn.themoviedb.org/posters/dfa/4bc94191017a3c57fe01bdfa/2012-original.jpg
01:26:24 T:2376 M:1561772032 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/b/b25a11c9.tbn
01:26:25 T:3600 M:1561190400 DEBUG: FileCurl::Close(06F7FA8C) http://hwcdn.themoviedb.org/posters/dff/4bc94191017a3c57fe01bdff/2012-original.jpg
01:26:25 T:3600 M:1561157632 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/b/b69b0c7e.tbn
01:26:25 T:464 M:1562533888 DEBUG: FileCurl::Open(0924FA8C) http://hwcdn.themoviedb.org/posters/e04/4bc94192017a3c57fe01be04/2012-original.jpg
01:26:25 T:2376 M:1556819968 DEBUG: Thread 2376 terminating
01:26:25 T:3600 M:1562058752 DEBUG: Thread 3600 terminating
01:26:26 T:464 M:1562378240 DEBUG: FileCurl::Close(0924FA8C) http://hwcdn.themoviedb.org/posters/e04/4bc94192017a3c57fe01be04/2012-original.jpg
01:26:26 T:464 M:1562378240 INFO: Creating album thumb from memory: special://masterprofile/Thumbnails/Pictures/b/bbd82aa7.tbn
01:26:26 T:464 M:1562193920 DEBUG: Thread 464 terminating
01:26:26 T:2636 M:1561792512 DEBUG: ------ Window Deinit (FileBrowser.xml) ------
01:26:27 T:3816 M:1569820672 DEBUG: CImageLoader::DoWork - took 377 ms to load special://masterprofile/Thumbnails/Video/Fanart/b8ed1728.tbn
01:26:29 T:2636 M:1570750464 DEBUG: SDLKeyboard: scancode: 0, sym: 8, unicode: 8, modifier: 0
01:26:29 T:2636 M:1570750464 DEBUG: CApplication::OnKey: 61448 pressed, action is 51
01:26:29 T:2636 M:1570746368 DEBUG: ------ Window Deinit (DialogVideoInfo.xml) ------
01:26:29 T:2636 M:1575075840 DEBUG: CGUIMediaWindow::GetDirectory (videodb://1/2/)
01:26:29 T:2636 M:1575075840 DEBUG: ParentPath = [videodb://1/2/]
01:26:29 T:2636 M:1575006208 DEBUG: CVideoDatabase::GetSetsNav query: select sets.idSet,sets.strSet,count(1),count(files.playCount) from sets join setlinkmovie on sets.idSet=setlinkmovie.idSet join movie on setlinkmovie.idMovie=movie.idMovie join files on files.idFile=movie.idFile group by sets.idSet
01:26:29 T:2636 M:1575010304 DEBUG: CVideoDatabase::GetMoviesByWhere query: select * from movieview where movieview.idmovie NOT in (select idmovie from setlinkmovie)
01:26:29 T:2636 M:1575530496 DEBUG: Time for actual SQL query = 28
01:26:29 T:2636 M:1575530496 DEBUG: Time to retrieve movies from dataset = 185
01:26:29 T:2636 M:1575534592 DEBUG: Saving fileitems [videodb://1/2/]
01:26:29 T:2636 M:1575518208 DEBUG: -- items: 107, sort method: 23, ascending: true
01:26:29 T:1204 M:1575059456 DEBUG: thread start, auto delete: 0
01:26:30 T:3720 M:1574412288 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [2048]
01:26:30 T:3720 M:1574412288 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [4096]
01:26:30 T:3720 M:1574412288 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [8192]
01:26:30 T:3720 M:1574412288 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [16384]
01:26:30 T:1204 M:1574412288 DEBUG: Thread 1204 terminating
01:26:30 T:3720 M:1574424576 DEBUG: CDVDDemuxFFmpeg::Open - probing failed, re-probing with probe size [32768]
01:26:30 T:3720 M:1574424576 ERROR: CDVDDemuxFFmpeg::Open - error probing input format, D:\Movies\Suspiria (1977)\Suspiria.avi
01:26:30 T:2636 M:1574494208 DEBUG: SDLKeyboard: scancode: 0, sym: 8, unicode: 8, modifier: 0
01:26:30 T:2636 M:1574494208 DEBUG: CApplication::OnKey: 61448 pressed, action is 9
01:26:30 T:2636 M:1574453248 DEBUG: CGUIWindowManager::PreviousWindow: Deactivate
01:26:30 T:2636 M:1574453248 DEBUG: ------ Window Deinit (MyVideoNav.xml) ------
01:26:30 T:2636 M:1574449152 DEBUG: CGUIWindowManager::PreviousWindow: Activate new
01:26:30 T:2636 M:1574449152 DEBUG: ------ Window Init (Home.xml) ------
01:26:30 T:2636 M:1574449152 INFO: Loading skin file: Home.xml
01:26:31 T:2636 M:1574100992 DEBUG: Load Home.xml: 96.04ms
01:26:31 T:2636 M:1574060032 DEBUG: Alloc resources: 102.61ms (96.41 ms skin load)
01:26:31 T:2636 M:1563860992 DEBUG: CApplication::ExecuteXBMCAction : Translating XBMC.RunScript(special://skin/scripts/RecentlyAdded.py,limit=4)
01:26:31 T:2636 M:1563860992 DEBUG: CApplication::ExecuteXBMCAction : To XBMC.RunScript(special://skin/scripts/RecentlyAdded.py,limit=4)
01:26:31 T:2636 M:1563860992 INFO: initializing python engine.
01:26:31 T:2636 M:1563860992 DEBUG: Win32DllLoader::Load(special://xbmc/system/python/python24.dll)
01:26:31 T:2636 M:1563828224 DEBUG: LoadLibraryA('MSVCR71.dll')
01:26:31 T:2636 M:1563828224 DEBUG: LoadLibrary('MSVCR71.dll') returning: 01E576C0
01:26:31 T:2636 M:1564078080 DEBUG: LoadLibraryExA called with flags: