Here is what typically happens in the background:
Upon restart, Windows will notice the registry key is missing and recreate it from scratch, effectively resetting the "active" status and resolving the conflict. Reproduce on multiple Windows versions (10, 11, Server
In plain English: Windows is trying to start a tracing session (a log that tracks what Windows Update is doing), but it’s hitting a snag because a session with that same name or ID is already running or wasn't shut down properly. It’s like trying to save a file in a folder where a file with that exact name is already open. Is This Critical? In plain English: Windows is trying to start
Since the error code 0xC0000035 indicates a name conflict, manually stopping the stuck session often resolves it. Open as an Administrator. Reproduce on multiple Windows versions (10