Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

Your PC's critical security certificates may be about to expire - how to check ...

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...

Follow ZDNET: Add us as a preferred source on Google. Usually, whenever a new feature comes out for Windows, Microsoft advertises it widely in a blog post to let everyone know. Or if they don't, ...

Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch. Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch. is a senior editor and ...

The hardest hit appear to be users of Outlook Classic who rely on POP email accounts or local PST files, particularly those stored in cloud folders such as OneDrive. For these users, Outlook may hang, ...

Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second emergency patch addresses issues seen with Outlook and files stored in the cloud ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...

IT admins will be busy this month patching Microsoft software and apps, but not nearly as busy as they were in January.

Microsoft has released emergency, out-of-band updates on Saturday for Windows 10, Windows 11, and Windows Server to fix an issue that prevented Microsoft Outlook classic from opening when using PSTs ...

Follow ZDNET: Add us as a preferred source on Google. Let's face it: most monthly Windows 11 patches are ho-hum. They usually focus on bug fixes and security updates, with the occasional new feature ...