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Microsoft has released another Windows 11 update to fix installation issues caused by the previous update, which was itself released to fix problems in recent updates. That update was KB5079391, the March 2026 optional release, but Microsoft pulled it after some PCs ran into installation failures with error 0x80073712. Now, KB5086672 is rolling out as an out-of-band replacement. It fixes the installation issues caused by KB5079391 and also includes the improvements that were supposed to ship in the earlier optional update.

Breaking: Microsoft says it has pulled Windows 11’s March 2026 optional update after it failed to install on some PCs The update (KB5079391) began rolling out on March 26 but was taken down within a few hours without any explanation. Two days later, Microsoft confirmed it had identified an issue causing installation failures. KB5079391 is an optional update and does not install automatically. "To prevent additional impact while the issue is investigated, Microsoft has temporarily limited the availability of this update. As a result, the update temporarily might not be offered through Windows Update," Microsoft said. This update failure comes just a week after Microsoft promised to make Windows 11 a better operating system.

Microsoft confirmed it received reports of users losing access to the C: drive and experiencing app failures after installing the Windows 11 March 2026 Update. However, it turns out the symptoms were caused by an issue in the Samsung Galaxy Connect app, not Windows Updates. “While the reports coincided with the timing of the March Patch Tuesday updates, our investigation confirmed the issue is not caused by the current or previous Windows monthly updates,” Microsoft said. Moreover, some AI-generated reports on the internet claim that the March 2026 Update causes BSODs and reboot loops on certain PCs. However, it appears those publications relied on AI summaries of a handful of forum posts, and the update itself appears to be safe. Microsoft says it is not aware of any major issues with the March 2026 Update, and we have not encountered any significant bugs in our own tests either. Do not uninstall the Windows update due to false reports. It contains important security fixes.

Microsoft is rolling out an Internet Speed Test tool in Windows 11, but it literally sends you to Bing in your default browser. The taskbar’s “Perform speed test” button doesn’t open any built-in internet speed test tool. You’d expect a multi-trillion-dollar company to build a native feature for something as basic as an internet speed test. But apparently, building a native internet speed test is rocket science, so Windows just sends users to Bing instead (which also helps increase Bing usage!) 🤷

Microsoft moderators have now locked the Copilot Discord server after more users started posting 'Microslop' in different ways 🙃 The chat history is now also hidden. Ironically, the Discord server was not really active, and it was pointless to blocklist 'Microslop' in the first place. The censorship backfired.....

Windows 11 update adds a UAC prompt (admin permission dialog) for Storage settings, but Settings can’t clean Windows Update files anymore 1 Step Forward, 3 Steps Back! After Windows 11 KB507105, Windows 11 shows an admin (UAC) prompt when you open Storage settings. This change is a security improvement, according to Microsoft. But the Temporary files page now scans like a non-admin, so it hides options like Windows Update cleanup and driver cleanup. Disk Cleanup still shows those options when run as admin, so this looks like a Settings bug or a broken elevation handoff.

Microsoft should add a resize button to the Start menu. What do you think? More details in our story: windowslatest.com/2026/01/14…

Windows 11’s new Start menu is now showing up on more PCs after several weeks of a slow, staged rollout. The new Start menu is not dramatically different, but it introduces a single, unified page that combines pinned apps, an optional Recommended feed, and your installed apps in either a grid or categories view. Yes, you can now remove the Recommended feed! However, depending on your device’s resolution and scaling settings, the new Start menu can take up a lot of screen space. Overall, this new Start menu is noticeably larger than the original Windows 11 Start menu.