Quickbooks Desktop no longer working after 26.1.2 upgrade

Discussion in 'Windows Virtual Machine' started by ChrisR46, Nov 17, 2025.

  1. ChrisR46

    ChrisR46 Bit poster

    Messages:
    3
    After I completed the Parallels 26.1.2 upgrade. Quickbooks Desktop Pro will no longer load files.
    Running a Windows 11 VM.
    Apple M4 Pro

    Anyone have this problem or have an idea what changed within the recent upgrade that would have broke things? The Quickbooks app loads fine, it's loading the actual QB files that no longer functions. Regardless of file location.
     
  2. Blyonix7B

    Blyonix7B

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    2
    Rolling back to the previous Parallels version (if you have Time Machine or a backup) -- that solved it momentarily for me.
     
  3. GerhardG2

    GerhardG2 Member

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    90
    What Parallels version did you have running before the upgrade?
    Just reinstall that version and check if Quiickbooks runs again. Don't forget to reboot the Mac. What QB version (year) do you have running (I am just curious)?
    I am using QB Prem 2020 on my MBP M1.
     
  4. KariH3

    KariH3

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    Did you ever find a fix to this? Having same issue
     
  5. ChrisR46

    ChrisR46 Bit poster

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    3
    I use Timemachine... What did you have to do to rollback to the previous version?
    My short term hack was purchase a PC laptop. It was a pain in the a** but I needed to get working!
    I'm running QB Desktop Pro 2024
     
  6. GerhardG2

    GerhardG2 Member

    Messages:
    90
    Before I do an update to Parallels I download the installer first and keep it in my Software folder.
    If you still have a version 20 installer on your Mac you can install that. Or you can download it from the Parallels web-site. It will work with Tahoe.
     
  7. CindyT1

    CindyT1

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    I would love to know how to roll it back as well. I am having the exact same issues with Quickbooks Desktop 2024.
     
  8. GerhardG2

    GerhardG2 Member

    Messages:
    90
    I am not sure I am allowed to paste the correct link here, but you can do a Google search Downloads for Parallels Desktop scroll a bit down and look for Downloads - Install Parallels Desktop
    You should get a screen where you can select version 26, 20, and 19.
     
  9. ChrisR46

    ChrisR46 Bit poster

    Messages:
    3
    I can confirm rolling back to 26.0.1-57243 solved the issue I was experiencing with QuickBooks.
    What I don't know... How will I know when it's clear to install future upgrades?
     

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