Parallels Desktop 15 hanging during startup after Windows 10 issue

Discussion in 'Windows Guest OS Discussion' started by FrankO1, Oct 12, 2019.

  1. FrankO1

    FrankO1 Bit Poster

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    Today I was running Windows 10 in Parallels Desktop 15 for Mac. After attempting to access an unusually large directory, Windows hung for an unusually long time. The only way I found to exit was to use macOS's Force Quit on Parallels.

    After rebooting the Mac, I now find that Parallels Desktop hangs when I attempt to start it. What's the best course of action next?
     
  2. FrankO1

    FrankO1 Bit Poster

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    Some additional information for my question:

    If I try to launch Parallels Desktop, a box appears that reads:

    Parallels Desktop
    Starting ...

    But nothing further happens after many minutes. The MacBook's fan starts fairly soon after attempting to launch it.

    If I move the "Windows 10.pvm" file out of its normal directory, Parallels Desktop appears to start normally, showing the menu of pvm's.

    Is there anything I can do in or to Parallels to try to fix this? If it seems to indicate that the Windows 10.pvm file is damaged, I have a backup but it would be greatly preferable to rescue the version now on the Mac. Is there anything I can do with the pvm file to try to resolve any issues?
     
  3. Maria@Parallels

    Maria@Parallels Parallels Team

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    3,893
    Hi, could you please reproduce the issue, collect the tech report and post the report's ID here?
     
  4. FrankO1

    FrankO1 Bit Poster

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    40
    Maria, thank you for the message.

    While I was waiting for your response, I did the following:

    1) Removed Parallels Desktop.app from the Mac's Applications folder.

    2) Reinstalled Parallels Desktop 15 from an installer downloaded from parallels.com.

    3) Went to the Mac's /Users/[username]/Parallels folder, and double-clicked on Windows 10.pvm.

    Parallels then started, and began to open Windows 10. A message appeared stating that it had not been shut down properly, so it spent quite a while checking files.

    Eventually, a new VM was created in the Parallels menu, "Windows 10 (1)". It appeared to contain the prior contents of my Windows system, but was not organized the same way (the desktop looked very different, etc).

    I therefore closed "Windows 10 (1)" and, in the Parallels menu, double-clicked on the icon for the original Windows 10 VM.

    After a lengthy startup period, this appeared to launch correctly. All of the desktop contents appear to be the same that they were previously.

    Now I see in the /Users/[username]/Parallels folder, there is a Windows 10.pvm and also a Windows 10 (1).pvm, both are quite large (~100 GB).

    So here is my question now. Since the original Windows 10 VM appears to be working, is it safe for me to delete the Windows 10 (1) VM?
     
  5. Maria@Parallels

    Maria@Parallels Parallels Team

    Messages:
    3,893
    @FrankO1 , looks like that your Windows 10 (1) is a copy (not a full copy) of your original VM.
    You can remove it and use your Windows 10 VM.
    Also please do not forget to update your Parallels Desktop to the latest build (15.1.0)
     

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