Windows 11 KB5070311 Update: Major Issues and How to Fix Them! (2026)

Windows 11 Update: A Headache or a Blessing?

Microsoft has released a new optional update for Windows 11, and while it promises improvements, it seems to have brought along some unexpected issues. Let's dive into the details and uncover the truth behind this controversial update.

The November 2025 update, KB5070311, arrived a tad late, but its impact is already being felt. Microsoft describes it as a non-security update aimed at enhancing functionality, performance, and reliability. However, it's the potential bugs and glitches that have caught everyone's attention.

Known Issues and Rough Edges

Microsoft acknowledges some known problems post-update. For instance, opening File Explorer in dark mode might result in a brief white screen before loading files and folders. But here's where it gets controversial: Windows Latest reports that the update can fail to install due to errors, and if it does install, it breaks dark mode and causes issues with Intel Arc GPU drivers. They even claim it's worse than Microsoft's description, with white flashes appearing when switching to any page in File Explorer.

The Password Icon Mystery

And this is the part most people miss: the password icon conundrum. If you use Windows Hello and select the button to sign in with other options, the password icon can become invisible. It's not a major issue if you don't use dark mode, but it's certainly an annoyance. Microsoft's solution? Hover over the icon's space, and you'll see the password button is still there. A bit of a workaround, don't you think?

Who's Affected?

Microsoft assures that this issue primarily affects enterprise and managed IT environments, so personal users might breathe a sigh of relief. But it's still an issue that needs addressing.

So, what's your take on this update? Is it a necessary evil, or has Microsoft dropped the ball here? Let's discuss in the comments and share our experiences with this latest Windows 11 update.

Windows 11 KB5070311 Update: Major Issues and How to Fix Them! (2026)
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