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Visual Studio 2022 has stopped showing errors and intellisense

Dave Barnard 45 Reputation points
2024-05-09T15:17:14.2366667+00:00

For the last 7 days Visual Studio 2022 no longer shows red squiggles under any errors in the IDE text editor and no errors in the Errors List window. If I try to build it fails and I can see the errors in the Output window, but no errors are listed in the Errors List window. It has also stopped showing or responding to any intellisense commands. I have the Show error squiggles option under Tools -> Options -> Text Editor -> General, enabled.

I've attached a screenshot and gif showing the problemVS2022 - no errors2

VS2022 - no errors

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Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
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  1. Tre4b 151 Reputation points
    2024-07-05T19:29:41.72+00:00

    I came here looking for a solution to the same thing. I have found if I change the view to Build only I can see the errors. If I have the view as Build + Intellisense then the errors do not show.

    This has only recently started happening so possibly with a recent update?

    3 people found this answer helpful.
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  2. Matt MacDonald 5 Reputation points
    2024-08-30T15:11:01.1766667+00:00

    This had been working for a while, and now suddenly started with the same behavior as before. Builds are failing, but nothing errors are shown in the error list if it's set to "Build + IntelliSense". If I switch to "Build Only" I can see the errors, but only after a build. It won't show any syntax errors just from loading the project. This started happening again a few days ago. I am fully up to date using VS 2022 17.11.2.

    1 person found this answer helpful.
  3. Anna Xiu-MSFT 30,801 Reputation points Microsoft Vendor
    2024-05-10T03:38:55.6833333+00:00

    Hi @Dave Barnard , 

    Welcome to Microsoft Q&A!

    Please try the following:

    1. Update your VS2022 to the latest version with Visual Studio Installer and launch it again.
    2. Enter “devenv /ResetSettings” at Developer Command Prompt for VS 2022 to restore your Visual Studio default setting.
    3. Close all running VS instances and delete the hidden .vs, bin and obj folders in the project folder.
    4. Rebuild the project.
    5. Create a new project and check that it works properly.
    6. Ensure you are using "Build + IntelliSense" in the Error List window.

    User's image

    Sincerely,

    Anna

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  4. Vivek Reddy Sripathi 5 Reputation points
    2024-07-15T01:41:51.2966667+00:00
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  5. edward 0 Reputation points
    2025-01-08T11:13:19.6833333+00:00

    I experienced the same problem. I had error squiggles in VS Code, but the error squiggles weren't showing in Visual Studio, even though I had all the necessary tools enabled. Then, I found the solution: I had to open the project folder through file ->open -> project/solution -> and then open the .sln file in the project folder. This made the squiggles work right away

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