Windows Update Service stalls with 0x8007045E during concurrent installation requests
Observed failure When multiple Windows Update installations are queued simultaneously on Windows 11, the Windows Update Service can stall and return error 0x8007045E . Event logs show a ConcurrentInstall warning and the UpdateEngine process may enter a deadlock state. Constraints and uncertainty This behavior has been reproduced on builds 22H2 and 23H2 by la