2019-02 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 7 and Server 2008 R2 for x64 (KB4487078)
Installation date: 30-3-2019 12:14
Installation status: Failed
Error details: Code 66A
Update type: Important
A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system.
More information:
http://support.microsoft.com/kb/4487078
Help and Support:
http://support.microsoft.com