GOD DAMNIT!!!

i have just recently made 3 coasters. i followed the damn directions, but i still get damn coasters!

Here are the notes that it sez:
I-246 12/6/00 4:04:35 PM - Task manager: PHILIPS PCRW404 (Bus 1,ID 1) V1.4B
I-199 12/6/00 4:04:35 PM - Task manager: Initializing secondary cache: 3072 KB
I-240 12/6/00 4:04:35 PM - Task manager: Mounting media...
I-241 12/6/00 4:04:36 PM - Task manager: Scanning media format...
I-246 12/6/00 4:04:36 PM - Task manager: TRC_ECH, 2 session(s), 2 track(s), 70:32:56 MSF (317456 blocks, ~729157 KB)
I-246 12/6/00 4:04:36 PM - Task manager: [01] 00:06:00 MSF, CD-DA session
I-246 12/6/00 4:04:36 PM - Task manager: [01] 00:06:00 MSF, Audio track
I-246 12/6/00 4:04:36 PM - Task manager: [00] 00:00:00, 00:02:00 MSF, Gap index
I-246 12/6/00 4:04:36 PM - Task manager: [01] 00:02:00, 00:04:00 MSF, Audio index
I-246 12/6/00 4:04:36 PM - Task manager: [02] 67:56:56 MSF, CD-XA session
I-246 12/6/00 4:04:36 PM - Task manager: [01/02] 67:56:56 MSF, Mode2 track
I-246 12/6/00 4:04:36 PM - Task manager: [00] 02:36:00, 00:02:00 MSF, Gap index
I-246 12/6/00 4:04:36 PM - Task manager: [01] 02:38:00, 67:54:56 MSF, Mode2 index
W-17585 12/6/00 4:04:36 PM - Device manager: Forcing 1X recording speed
I-467 12/6/00 4:04:36 PM - Task manager: Task configuration: source: 00000256h, destination : 00004100h
I-279 12/6/00 4:04:36 PM - Task manager: Write session 1 of 2...
I-280 12/6/00 4:04:36 PM - Task manager: Writing track 1 of 2...
I-279 12/6/00 4:06:57 PM - Task manager: Write session 2 of 2...
I-280 12/6/00 4:06:57 PM - Task manager: Writing track 2 of 2...
E-17949 12/6/00 4:07:01 PM - PHILIPS PCRW404 (Bus 1,ID 1): (CDB: 2a0000002db400001000, Status: 040002, Sense: 052100) Buffer under-run
I-276 12/6/00 4:07:08 PM - Task manager: Task completed in 00h:02m:33s

I read all those help subjects, set the correct settings that it sez, and it always fux up. i need some god damn help. thanx in advance