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When you import a virtual machine into Microsoft Virtual PC for Mac Version 7, you may not be able to use your keyboard or your mouse while Microsoft Windows starts. After Windows has started up, the mouse pointer cannot leave the Virtual PC guest PC window unless you press the COMMAND key.
This problem occurs because older virtual machine files contain Virtual PC Additions from earlier versions of Virtual PC for Mac. These Virtual PC Additions are not fully compatible with Virtual PC for Mac Version 7 and the Virtual Machine Additions for Virtual PC for Mac Version 7.
To resolve this problem, you must install the Virtual PC for Mac Version 7 Virtual Machine Additions to the virtual machine. To install the Virtual Machine Additions, follow these steps:
On the PC menu, click Install or Update Additions.
Click Next two times.
Click Finish, and then let the virtual machine restart.