The user may see a virtual drive "R:\" in Explorer after installing Microsoft Office 2010 Starter.
Intermittently it will disappear after the system reboot.
The "R:\" may appear in Explorer when a removable disk devices is plugged in. i.e. USB HDD
Please click here to find detail information from Microsoft KB2257628.
Any of the following systems:
Note: The system is configured with Microsoft Office 2010 Starter.
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None. Product development is working with Microsoft for a solution. This is only a usability issue and has no functional impact to Office 2010 applications.