Maybe this will help:

http://support.microsoft.com/search/preview.aspx?scid=kb;en-us;Q310715&GSSNB=1

Dell 4300 XP Home Edition
Pent 4 1.6HGz
1503FP 15'' Grey Flat Panel Monitor
40 GB Western Ditigal
128 MB Sdram (Duh)
ATI Rage Ultra 16MB
NEC NR 7800A Cd RW/Floppy
Conexant HSF V92 Modem
Creative SB Live Sound
Altec Lansing ACS-621 w/Subwoofer
Epson 880 Printer
HP ScanJet 3400
ZoneAlarm
Norton Antivirus 2002

After trying every combination of password, username and settings, I'm having the same problem.

When I try to complete a task I receive "an error has occurred while attempting to set task account information. The specific error is: 0x8007007a: The data area passed to a system call is too small. Any help would be appreciative.