Try booting to Safe Mode, boot the system, start tapping F8, at the menu
select Safe Mode press enter and once in Safe Mode:
Go to start/run, and type
regsvr32.exe regwizc.dll
OK, then,
regsvr32.exe licdll.dll

Signature
Michael Solomon MS-MVP
Windows Shell/User
Backup is a PC User's Best Friend
DTS-L.Org: http://www.dts-l.org/
> I'm unable to access my computer because of error
> 0X80090019, which states the following: a problem is
> preventing Windows from accurately checking the licencse
> for this computer, anyone out there that can assist me
> please write to Johnny c/o: universalpro@hotmail.com, a
> million thanks.