Hi @Ridvan Ozbay ,
Welcome to Microsoft Q&A!
What is the project type? Do you mean that it also occurs in new created project?
You can try the following:
- Update VS 2017 to the latest version with Visual Studio Installer.
- Open the Visual Studio Installer > More > Repair your VS.
- Run VS 2017 as administrator.
- Run “devenv /ResetSettings” at Developer Command Prompt for VS2017 to restore your Visual Studio default settings.
- If you have anti-virus software, please temporarily disable it.
Sincerely,
Anna
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