I have "show grid lines" checked and they're are no grid lines showing. I'm using the Noire/Negative skin, but I've also tried the reg. Noire skin and also no grid lines. With the Thunderstorm skin they are present, (still my favorite).
Media Center Registered 12.0.57 -- C:\Program Files\J River\Media Center 12\
Microsoft Windows 2000 5.0 Service Pack 4 (Build 2195)
AMD Athlon 1653 MHz MMX / Memory: Total - 523 MB, Free - 288 MB
Internet Explorer: 6.0.2800.1106 / ComCtl32.dll: 5.81.4916 / Shlwapi.dll: 6.0.2800 / Shell32.dll: 5.0.3900 / wnaspi32.dll: N/A
Ripping / Drive Y: Mode:Normal Type:Auto Speed:Max
Digital playback: Yes / Use YADB: Yes / Get cover art: No / Calc replay gain: Yes / Copy volume: 32767
Eject after ripping: Yes / Play sound after ripping: No
Burning / Drive Y: LITE-ON LTR-32123S Addr: 2:0:0 Speed:32 MaxSpeed:32 BurnProof:Yes
Test mode: No / Eject after writing: Yes / Direct decoding: Yes / Write CD-Text: Yes
Use playback settings: No /