If you are experiencing issues with MED-V published applications or startup programs such as:
You may notice that some of those issues are resolved with many known fixes in Windows 7. Additional Recommended Updates for MED-V 2.0 that Address Application Issues http://blogs.technet.com/b/medv/archive/2011/07/20/additional-recommended-updates-for-med-v-2-0-that-address-application-issues.aspx
Even with the fixes in place, you may notice there are still some application dialogs that are opened in an application running in the guest but are hidden from the user and will prevent the user from interacting with the application. When this happens, use the following workaround to troubleshoot/facilitate use:
Use the following key combination CTRL+ALT+Pause
To return back to the MED-V Experience use the same key combination.
This allows you to get to the MED-V workspace desktop and see all open dialogs and applications.