Windows Defender - Virus and spyware definitions couldn't be updated

Anonymous
2017-09-17T20:43:38+00:00

can't update spyware and virus definitions

Original title/subject: windows defender

Windows for home | Windows 10 | Security and privacy

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2018-01-11T15:30:22+00:00

    I eventually downloaded the latest version of Windows 10, build 16299.15.  That problem went away and Defender seems to be up-to-date.  However, now at shutdown I get a message "system task active preventing shutdown" and i can't  find anything to close so click "Shutdown Anyway" which doesn't seem to have caused a problem.

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  2. Anonymous
    2018-01-11T15:14:52+00:00

    cant update spyware and virus, it starts download then suddenly stops

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