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Parallels Desktop 9 failing to load under latest Yosemite preview

updated 10:50 am EDT, Tue August 19, 2014

Workaround involves manually launching dispatcher service

Yesterday's Developer Preview 6 release of OS X Yosemite is breaking Parallels Desktop 9, users report. After DP6 is installed, Desktop 9 is simply refusing to run, exactly the type of issue beta testers routinely encounter. The problem appears to involve the dispatcher service failing to load, as a temporary solution involves forcing the service to start via a Terminal command. This again has been seen in various other apps not yet updated for the forthcoming Yosemite.

Parallels Desktop 9 is an OS virtualization app for the Mac that lets users run Windows apps without having to boot into a separate partition. Given its popularity, fixing compatibility will likely be a high priority for Parallels before the next developer preview is released, or at least before the gold master.

by MacNN Staff



  1. pairof9s

    Senior User

    Joined: 01-03-08

    Certainly this will be fixed in the paid upgrade to Parallels Desktop 10 in December...oh and with up to 20% faster performance!

  1. fjelgar

    Fresh-Faced Recruit

    Joined: 10-07-14

    Not surprised. Parallels also broke after previous OS X updates.
    Meanwhile Oracle's (free) VirtualBox hasn't skipped a beat and runs fine in OS X 10.10 beta 5.

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