VS 2022 Catastrophic failure when trying to save

In Visual Studio, a “catastrophic failure” dialog when saving is a generic unrecoverable error from an internal process. Visual Studio uses several out-of-process services (for example, Roslyn code analysis services) for background tasks. When one of these processes fails, Visual Studio can no longer reliably complete operations such as saving or analyzing code.

The recommended action is:

1. Immediately save any files that still allow saving (if possible) or copy their contents to a temporary location (for example, Notepad) so that work is not lost.
2. Close Visual Studio completely.
3. Restart Visual Studio and reopen the solution.

If the error recurs frequently:

1. Check for Visual Studio updates and install the latest version.
2. Disable or remove any recently added extensions, then restart Visual Studio and test again.
3. If the issue appears tied to a specific project or file, try:
   • Cleaning and rebuilding the solution.
   • Deleting the .vs folder, bin, and obj folders, then reopening the solution.

If Visual Studio shows the unrecoverable process error bar (for example, when ServiceHub.RoslynCodeAnalysisService.exe fails), always follow the guidance to save work and restart Visual Studio, as the environment may be in an unstable state.

References:

• Visual Studio unrecoverable process error