More details at https://patchmypc.com/verification-of...
In this video, we will cover how to work around a common issue that can happen in SCUP/SCCM or our publishing service when expiring old third-party updates. The error "An error occurred while expiring an update: Verification of file signature failed for file:" happens when the previously published update CAB file no longer exists in the WSUS Content folder.
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