February 12, 2019—KB4486564 (Security-only update)

Symptom

Workaround

After installing this update, virtual machines (VM) may fail to restore successfully if the VM has been saved and restored once before. The error message is, “Failed to restore the virtual machine state: Cannot restore this virtual machine because the saved state data cannot be read. Delete the saved state data and then try to start the virtual machine. (0xC0370027).”

This affects AMD Bulldozer Family 15h, AMD Jaguar Family 16h, and AMD Puma Family 16h (second generation) microarchitectures.

This issue is resolved in KB4490511.

Applications that use a Microsoft Jet database with the Microsoft Access 95 file format may randomly stop working.

This issue is resolved in KB4490511.

After installing this update, Internet Explorer 11 and other applications that use WININET.DLL may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons. Symptoms reported by customers include, but may not be limited to:

• Cache size and location show zero or empty.

• Keyboard shortcuts may not work properly.

• Webpages may intermittently fail to load or render correctly.

• Issues with credential prompts.

• Issues when downloading files.

This issue is resolved in KB4493448.

Any compound document (OLE) server application that places embedded objects into the Windows Metafile (WMF) using the PatBlt API may display embedded objects incorrectly.

For example, if you paste a Microsoft Excel worksheet object into a Microsoft Word document, the cells may render with a different background color.

This issue is resolved in KB4493448.