The latest round of Windows 10 updates appear to have introduced a bug into Windows Defender, the OS’s built-in antivirus software, though it has not been officially acknowledged yet. Regardless, some users are reporting a Windows Defender pop-up message saying that it has skipped a file “due to exclusion or network scanning settings.”

This happens during both quick scans and full scans. After being alerted to the issue on Bleeping Computer, I fired up a quick scan on my own PC and was able to consistently reproduce the message. Here’s a screenshot I took:

Under normal circumstances, this would not be an error—you can configure Windows 10 to skip over certain files, which can come in handy if you are running software that trips up Windows Defender with a false-positive detection.

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