Tag Archives: KB4556399

.NET-Framework Update KB4556399 throws install error 643

Posted on 2020-05-16 by guenni

[German]The .NET framework update KB4556399 from May 12, 2020 fails for some Windows 7 users users with an installation error 643. Most of this affected are using the unofficial BypassESU solution from MDL.

Posted in issue, Update, Windows | Tagged , , , | 2 Comments