I have a few movies that are ~2GB and MC seems to read this as a negative filesize.
The files themselves are fine (and are burned onto DVD-R) and their correct filesize (2.02 GB (2,171,025,408 bytes)) is shown in windows as well as several other cataloging utilities.
Here is a screenshot:
Media Center Registered 9.1.259 -- C:\Program Files\J River\Media Center\
Microsoft Windows XP Workstation 5.1 Service Pack 1 (Build 2600)
AMD Athlon 2004 MHz MMX / Memory: Total - 523 MB, Free - 214 MB
Internet Explorer: 6.0.2800.1106 / ComCtl32.dll: 5.82 (xpsp1.020828-1920) / Shlwapi.dll: 6.00.2800.1226 / Shell32.dll: 6.00.2800.1233 (xpsp2.030604-1804) / wnaspi32.dll: 4.71 (0002) , ASPI for Win32 (95/NT) DLL, Copyright © 1989-2002 Adaptec, Inc. / Aspi32.sys: 4.71 (0002)
Ripping / Drive X: Copy mode:ModeSecure CD Type:Auto Read speed:Max
Drive Z: Copy mode:ModeBurstBigBuffer CD Type:Auto Read 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 Z: TOSHIBA DVD-ROM SD-R5002 Addr: 1:0:0 Speed:2 MaxSpeed:2 BurnProof:Yes
Test mode: No / Eject after writing: Yes / Direct decoding: Yes / Write CD-Text: No
Use playback settings: Yes / Normalization: None