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| WU_E_MSI_NOT_PRESENT | WU_E_UH_REMOTEUNAVAILABLE |
WU_E_MSP_UNEXPECTED
WU_E_MSP_UNEXPECTED is a catch-all error for Windows Installer patch applicability. It means Windows Update could not complete the patching-related check, but the underlying cause must be found in earlier installer or update log entries.
Best next step
- Identify the affected MSI product and patch before attempting repair.
- Check Windows Installer and application logs alongside
WindowsUpdate.log. - Confirm whether the product is per-user, per-machine, managed, or no longer present.
Microsoft: Windows Installer installation contexts
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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