Error Message 1612 "The installation source for this product is not available. Verify that the source exists."

Symptoms
When you try to install or remove Microsoft Office 2003 or Microsoft Office XP SP1, you may receive an error message that is similar to the following:
The installation source for this product is not available. Verify that the source exists and that you can access it.

Cause
This issue may occur if you have one or more stand-alone versions of a Microsoft Office 2003 or Microsoft Office XP program, such as Microsoft FrontPage 2002/2003, Microsoft Publisher 2002/2003, or Microsoft Access 2002/2003 installed on your computer.

Resolution
To resolve this issue, use the Microsoft Windows Installer CleanUp Utility to remove the stand-alone programs. To do this, follow these steps.

1. Download and install the Windows Installer CleanUp Utility.

2. Remove the Stand-Alone Programs.
- Click Start, point to Programs, and then click Windows Install CleanUp.
- On the list of installed programs, click each Microsoft Office program, and then click Remove.
- Follow the instructions that appear on the screen to complete the removal process.
- When the removal process is completed, click Exit.