APPLIES TO:

Symptoms

You are unable to use Parallels Mobile for the first time after logging into your Parallels account in Parallels Desktop menu ► Preferences ► Mobile.
This issue is present on Mountain Lion Mac OS X 10.8. 

Cause

"Parallels Desktop Control Agent" process is not starting before Parallels Desktop restart.

Resolution

Please restart Parallels Desktop application in order to start using Parallels Mobile.