[Solved-3 Solutions] No EditorOptionDefinition Export Found Error

Error Description:

  • In Visual Studio 2013 we start getting the following error when trying to open C# files:
No EditorOptionDefinition export found for the given option name:
Parameter name: optionID
click below button to copy the code. By - C# tutorial - team

Solution 1:

  • Close Visual Studio
  • Open the folder: %LocalAppData%\Microsoft\VisualStudio\12.0\
  • Rename the ComponentModelCache folder
  • Restart Visual Studio.

Solution 2:

  • Run all updates for VS and then go to Control Panel/Programs and Features and perform a repair.

Solution 3:

  • Turn off a plugin called "Visual Assist".

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