Updating fails in Windows due to agentsview.exe still running

From the desktop app on Windows, installing an update fails (i.e. when prompted by the app) because agentsview.exe is still running; Windows locks executable files while they are executing and won't allow them to be updated (unlike Linux/Mac).

<img width="463" height="340" alt="Image" src="https://github.com/user-attachments/assets/853b405c-ab44-43ae-8d23-277c39ce5fd5" />

