Windows Installer appears every time when I start Explorer or Web Research

Symptom

Every time I want to start ContentSaver, Windows Explorer, or Internet Explorer, Windows Installer appears to install ContentSaver.

Solution

1. Run the Windows Registry Editor (Click Start, Run and type regedit).
2. Delete the key HKEY_CURRENT_USER\Software\macropool\Web Research
3. Exit the Registry Editor.
4. Start Web Research. Windows Installer will appear one last time but no longer in the future.
5. Open your previous collection(s).