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Can't open SSMS 18.1 - "MRU Package did not load correctly" and "Cannot create the window" RRS feed

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    I'm sorry if this is not the right forum category, I couldn't find "SQL Server Tools" from the list.

    This issue is driving me crazy. I can't open SSMS 18.1. When I try to open it I get the follow things:

    • Starts fine with the small window that says "Microsoft SQL Server Management Studio v18.6"...
    • But then I get an error window saying:
      "The 'MRU Package' package did not load correctly.
      The problem may have been caused by a configuration change or by the installation of another extension"...
    • After that I get another error window saying:
      "Cannot create the window".

    Here's an Imgur link with pictures of the errors (can't post a link): imgur.com/a/xxz0OOn

    And that's it. I can't open SSMS.

    Things I've already did/tried:

    1. Installed SSMS 18.1
    2. Installed SQL Server 2019
    3. Uninstalled Visual Studio 2017
    4. Installed Visual Studio 2019
    5. Re-installed SQL Server 2019
    6. Repair installation of SSMS 18.1
    7. Re-installed SSMS 18.1
    8. Installed Visual Shell 2015
    9. Rebooted PC several times

    I don't know what else to do. I've been struggling with this since yesterday. I've searched for solutions but couldn't find anything.

    Hope someone can help me. Thanks in advance.

    Sunday, September 20, 2020 3:35 AM

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    If nothing works and you have time, then maybe try this method:

    • Uninstall all products, all versions: SSMS, SQL Server, Visual Studio, Data Tools and other components that are related to SQL and Visual Studio, or which are not needed. Use Control Panel, Uninstall to view the products.
    • Restart the computer, go to Settings and apply all of updates, if any.
    • Restart the computer and install the latest SSMS, which is 18.6.
    • Check if SSMS works. Try accessing some external database, if any.
    • Install SQL Server 2019, check if you can access it from SSMS.
    • Install Visual Studio, etc.




    • Edited by Viorel_MVP Sunday, September 20, 2020 8:32 AM
    Sunday, September 20, 2020 8:19 AM
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    Hi Kurka27,
    Based on your description, I suggest you ask the question in sql server forum.
    Thank you for your understanding.
    Best Regards,
    Daniel Zhang

    MSDN Community Support
    Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints to MSDN Support, feel free to contact MSDNFSF@microsoft.com.

    Monday, September 21, 2020 5:38 AM