- Updates to improve security when using Internet Explorer and Microsoft Edge.
- Updates to improve security when using input devices such as a mouse, keyboard, or stylus.
- Updates for verifying usernames and passwords.
- Updates to improve security when using Microsoft Xbox.
- Updates to improve security when Windows performs basic operations.
- Updates for storing and managing files.
- Updates to improve security when using Microsoft Office products.
"Same issue for me: endless loop of BSODs, on two separate, but same model HP desktops that are 2 years old," another user wrote.
Yet another user reported experiencing five BSODs in one hour after applying the patch. It's not just BSODs, though. In other places around the web, Windows 10 users report having trouble installing the patch, running into system slow downs and crashes, and audio bugs. So, what exactly is going on and will there be a fix?
"We are actively engaged with customers who are reporting issues. To date, we have not seen widespread issues reflected in telemetry, support data, or customer feedback channels. We continuously investigate all customer feedback and are closely monitoring this situation," Microsoft says.
It's not clear how widespread these problems are or what the common denominator(s) might be for those are running into issues. To help with its investigation, Microsoft is asking users who experience trouble with the KB4556799 to let the company know by pressing Windows Key + F, or by going to the Start menu and selecting Feeback Hub.