I've got the same problem.
Media Center Registered 9.1.305 -- D:\Programme\Media Center\
Microsoft Windows XP Workstation 5.1 Service Pack 1 (Build 2600)
AMD Athlon 993 MHz MMX / Memory: Total - 261 MB, Free - 78 MB
Internet Explorer: 6.0.2800.1106 / ComCtl32.dll: 5.82 (xpsp1.020828-1920) / Shlwapi.dll: 6.00.2800.1276 / Shell32.dll: 6.00.2800.1233 (xpsp2.030604-1804) / wnaspi32.dll: 4.57 (1008) , ASPI for Win32 (95/NT) DLL, Copyright © 1989-1997 Adaptec, Inc. / Aspi32.sys: 4.57 (1008)
Ripping / Drive I: Copy mode:Normal CD Type:Auto Read speed:Max
Drive J: Copy mode:Normal CD Type:Auto Read speed:Max
Digital playback: Yes / Use YADB: Yes / Get cover art: No / Calc replay gain: No / Copy volume: 32767
Eject after ripping: Yes / Play sound after ripping: No
Burning / Drive J: RW-522452 Addr: 1:1:0 Speed:6 MaxSpeed:98 BurnProof:No
Test mode: No / Eject after writing: Yes / Direct decoding: No / Write CD-Text: No
Use playback settings: No / Normalization: None