Microsoft.diagnosticshub.diagnostics.collectionstartfailedhubexception 〈100% LATEST〉
From the Visual Studio Installer → select More → Repair . This restores missing or corrupted Diagnostic Hub components.
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). From the Visual Studio Installer → select More → Repair
await diagnosticHubSession.StartCollectionAsync(targetProcessId); Overview & Context The exception microsoft
| Aspect | Detail | |--------|--------| | Type | Developer-environment exception, not production code | | Primary source | Visual Studio Diagnostic Tools | | Meaning | Failed to begin collecting performance/debug data from a target process | | Most common fix | Run VS as admin, close other profilers, repair VS | | Inner exception significance | High – reveals actual system-level failure | This exception is a diagnostic failure of a diagnostic tool—an ironic but informative error that typically points to environment or permission issues rather than a bug in your application code. CPU Usage tool