"Session 'WindowsUpdateTraceLog' failed to start with the following error: 0xC0000035" typically appears in the Windows Event Viewer under the Kernel-EventTracing
The trace log session writes to C:\Windows\Logs\WindowsUpdate . Corruption in this folder or its parent can prevent session creation. | | Corrupt Windows Update database | The
| Cause | Description | |-------|-------------| | | A previous instance of the trace session was not properly closed (often due to a crash or forced shutdown). | | Corrupt Windows Update database | The SoftwareDistribution or Catroot2 folders contain inconsistent data. | | Security software interference | Third-party antivirus or endpoint detection tools may block or hold the trace log object. | | Disk or permission corruption | The C:\Windows\Logs\WindowsUpdate folder is corrupt, missing, or has incorrect ACLs. | | Incomplete Windows Update | A prior update was interrupted during the "initializing" phase. | | | Incomplete Windows Update | A prior
0xc0000035 NTSTATUS Equivalent: STATUS_OBJECT_NAME_COLLISION Human-Readable Meaning: "A file, registry key, or object with the same name already exists." or has incorrect ACLs.