Vista will no longer automatically update. Nothing I've attempted works to fix the issue.
Here are the March 2017 Vista Update download links.
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=4012583 http://catalog.update.microsoft.com/v7/site/Search.aspx?q=4012584 http://catalog.update.microsoft.com/v7/site/Search.aspx?q=4012497 http://www.catalog.update.microsoft.com/Search.aspx?q=4012598 https://www.catalog.update.microsoft.com/Search.aspx?q=KB4012204 http://www.catalog.update.microsoft.com/Search.aspx?q=KB3214051 http://catalog.update.microsoft.com/v7/site/search.aspx?q=3217587
If I missed one, please advise. IE9 is included above.
Vista Support ends April 11, 2017 per MS here.
https://support.microsoft.com/en-us/help/22882
EDIT - If you have Microsoft Office, find your March 2017 Version Updates here. I have Office 2007 - still supported.
https://support.microsoft.com/en-us/help/4013886/march-14-2017-update-for-microsoft-office
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