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Visual Studio 2015 - devenv.exe - Unknown hard error

When I open a project, it fails with

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Does anyone have a solution for this?

I tried these steps:

  • Reboot the computer.
  • Restart Visual Studio
  • Run Visual Studio in safe mode and reset all windows
  • Removing my full project folder and reopening the solution from source does not help
  • Create a new project

Comment:

  • Visual Studio starts normally without loading the project.
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1 answer

The problem is solved!

I wanted to use TypeScript in this project. This dialog has appeared. I answered yes.

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But Visual Studio somehow failed to update TypeScript.

Next, we looked through Tools> Extensions and Updates and updated TypeScript manually.

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After a successful TypeScript update, the solution opens normally!

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