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WU_E_INVALID_PRODUCT_LICENSE
WU_E_INVALID_PRODUCT_LICENSE means an installed product reported license information that Windows Update could not validate. Microsoft documents that this can cause a search to miss some updates before the affected application is identified.
What to check
- Find the product or update mentioned around the error in the update log.
- Verify the application installation and licensing state with its supported vendor tools rather than changing unrelated Windows Update settings.
- After correcting the application state, run a new detection cycle and compare the scan result.
Microsoft: Windows Update log files
Microsoft: Windows Update error reference
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