MS Office Premium wants to install
I rebuilt a PC (running XP), and put CityDesk (contributor) on. CityDesk worked fine.
Uninstalled and reinstalled CityDesk and MSOffice doesn't start requesting the install CD anymore.
For more information, see the knowledge base article: http://www.fogcreek.com/CityDesk/kb/troubleshooting/MicrosoftOfficeInstallerR.html
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