The Visual Studio component cache is out o date.

Applies to: SQL Server Management Studio (SSMS) v19.0.2.

Date created: September 18, 2023.
 

Problem Description.
 

You may receive the following error from SQL Server Management Studio (SSMS) when you try to open a New Query window once you are connected with SSMS to SQL Server instance.

Microsoft SQL Server Management Studio
The Visual Studio component cache is out of date (assembly: Microsoft.VisualStudio.Platform.VSEditor, Version=15.0.0.0, Culture=neutral, PublicKeyToken=b033f5f7f11d50a3a). Please restart Visual Studio. (mscorlib)

When you try to make a right click on a user database, and make a click on New query the error received is shown below:

When you try to open a New Query window from the File menu, the appearance is a liitle bit different but essentially the same error message:

The version of SSMS we are using is 19.0.2.

Workaround/Solution.

Search on Windows for the Disk Cleanup application and open it.

Once the application is opened, run the cleanup process over the C: drive (system drive).

Make sure to have selected to clean up "Temporary files" and click OK.

As soon as the cleanup process finishes, you can proceed to open a New Query window again.

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