Bug: Crash trying to open L4 to Home Page

L4 can open up to a blank layout but crashes after clicking on the home page icon.

Software version: 4.0a, 4.0b.
Reported by Dave Hooton.
Forum link: http://community.logos.com/forums/p/8385/91750.aspx#91750
Status: fixed using information found here: http://support.microsoft.com/kb/870707