Microsoft.diagnosticshub.diagnostics.collectionstartfailedhubexception (2025)

catch (DiagnosticsCollectionStartFailedHubException ex)

If the target process requires elevation, launch Visual Studio with admin rights ( Right-click → Run as administrator ).

try

Console.WriteLine($"Diagnostic collection failed: ex.Message"); if (ex.InnerException is UnauthorizedAccessException) Console.WriteLine("Try running Visual Studio as Administrator."); // Log to telemetry or retry with fallback configuration

1. Overview & Context The exception microsoft.diagnosticshub.diagnostics.collectionstartfailedhubexception is a specific, platform-level error originating from Microsoft’s Diagnostic Hub —a component primarily used within Visual Studio and other Microsoft developer tools (like Performance Profiler, CPU Usage tool, Memory Usage tool, and IntelliTrace). CPU Usage tool

Delete temporary diagnostic files: %TEMP%\Microsoft Diagnostics Hub\ %LOCALAPPDATA%\Microsoft\VisualStudio\<version>\DiagnosticsHub\

Common failure scenarios include:

From the Visual Studio Installer → select More → Repair . This restores missing or corrupted Diagnostic Hub components.