Microsoft Follows Mozilla In Considering Early Ban On SHA-1 Certificates (csoonline.com)
itwbennett writes: Following the first successful collision attack on the SHA-1 hashing algorithm last month, Mozilla said that it was considering a cut-off of July 1, 2016 to start rejecting all SHA-1 SSL certificates, ahead of an earlier scheduled date of Jan. 1, 2017. And now Microsoft is considering blocking the hashing algorithm on Windows by June next year.
You can join the ranks of people holding on to WinXP virtual machines because they need them to administer that one device that needs a certain version of Java 1.4 and Firefox 3.6.