An unhandled exception occurred in the user interface.Exception Information: OSearch (Administrator)

While installation of MOSS 2007 on stand alone machine i got this error.

Error:
An unhandled exception occurred in the user interface.Exception Information: OSearch (Administrator)

Cause:
You are using user name without domain or machine name

Solution:
Use user name like [Domain\UserName]
Even if you are using your local machine [MachineName\ServiceAccount]