As an FYI, I had the same problem with the latest build, and reverted back to 12.0.240, which fixed the problem. Any updates on when it will be fixed in 12.0.52? Looks like a Vista problem.
Thanks,
MJT
Media Center Registered 12.0.240 -- C:\Program Files\J River\Media Center 12\
Microsoft Windows Vista 6.0 (Build 6000)
Intel Core 2 1863 MHz MMX / Memory: Total - 2077 MB, Free - 914 MB
Internet Explorer: 7.0.6000.16448 / ComCtl32.dll: 5.82.6000 / Shlwapi.dll: 6.0.6000 / Shell32.dll: 6.0.6000 / wnaspi32.dll: N/A
Ripping / Drive D: Mode:Normal Type:Auto Speed:Max
Drive E: Mode:Normal Type:Auto Speed:Max
Digital playback: Yes / Use YADB: Yes / Get cover art: Yes / Calc replay gain: Yes / Copy volume: 32767
Eject after ripping: Yes / Play sound after ripping: No
Burning / Drive D: LITE-ON DVDRW LH-20A1P Addr: 1:0:0 Speed:48 MaxSpeed:48 BurnProof:Yes
Drive E: LITE-ON DVDRW LH-20A1P Addr: 1:1:0 Speed:48 MaxSpeed:48 BurnProof:Yes
Test mode: No / Eject after writing: Yes / Direct decoding: Yes / Write CD-Text: Yes
Use playback settings: No /
Portable Device Info
Removed devices:
Device info dump for 'Apple iPod Nano 2nd Gen (H:)':
WMDMName: MICHAEL TSC (H:)
DeviceUID: $$?$wpdbusenumroot#umb#2&37c186b&0&storage#volume#1&19f7e59c&0&_??_usbstor#disk&ven_apple&prod_ipod&rev_1.62#000a2700187a8dee&0##{f33fdc04-d1ac-4e8e-9a30-19bbd4b108ae}
CanonicalName: \\?\wpdbusenumroot#umb#2&37c186b&0&storage#volume#1&19f7e59c&0&_??_usbstor#disk&ven_apple&prod_ipod&rev_1.62#000a2700187a8dee&0##{f33fdc04-d1ac-4e8e-9a30-19bbd4b108ae}
VendorName: ; VendorID: 1452
ProductID: 4704; FirmwareVersion: 1.62
WMDMSerialNumber: 3655363335523436565135
DeviceType: 3; DeviceID: 6U635R46VQ5; DeviceName: Apple iPod; UnsupportedDevice: 0
IsDrive: 1; DriveLetter: H:; DrivePath: ; MainDriveLetter: H:
IsJanusCapable: ; IsIpod: 1
SupportsAlbumArt: 1; AlbumArtEnabled: 1
SupportsFolders: -1; PlaylistFormat: 0; EjectMode: 0; AlwaysPumpCOMMessages: 0
SupportedFileTypes: mp3;wav;mp4;aa;m4a;m4b;m4p;aiff;aif;bmp;jpg;jpeg;gif;tif;tiff;png;sgi;psd
ContextMenus: Delete
MemoryTypes: Internal Memory
InstallURL:
ApplicationName: Media Center
ImageName: Apple iPod Nano 2G
RootBasePath:
AudioBasePath: Music\[Artist]\[Album]\
ImageBasePath: Images\
VideoBasePath: Video\
DataBasePath: Data\
PlaylistBasePath: ROOT\
DatabaseBasePath:
AudibleBasePath: Audible\
MatchKeyExpression: If(IsEqual([Media Type], Image), [Name][File Size, 0], [Name]Clean([Artist], 1)[Album][Genre]FormatNumber([Track #, 0])[Media Type])
ChangeKeyExpression: If(IsEqual([Media Type], Image),,[Rating][Composer][Date Modified])
Interface Plugins:
Library Server (Active)
TiVo Server (Active)
UPnP Server (Active)