Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest ...

The January 2026 Patch Tuesday keeps on giving users headaches, as some affected systems now cannot boot with an "UNMOUNTABLE ...

Struggling with Windows 11 RGB not syncing after sleep? Discover proven fixes to restore seamless lighting control for your ...

Microsoft’s first big Windows 11 refresh of the year is going so badly that the company is telling people to pull the update ...

Microsoft has released KB5078127, its second emergency Windows 11 patch in seven days, fixing Outlook crashes and OneDrive ...

Microsoft says uninstall Windows 11 update KB5074109 to fix Outlook Classic hangs, black screens and other stability issues ...

Microsoft has issued guidance to uninstall KB5074109 security update or switch to webmail after the patch caused Outlook ...

Thousands of customers reported problems during a potential Microsoft outage on Thursday, according to Downdetector.com. At the time of writing, ...

Updated on Jan. 23 at 9:43 a.m. ET: Microsoft said it had fully resolved the issues that caused a large-scale Microsoft 365 ...

Based on a response from an independent advisor named Harold Milan to a forum post from an affected user, this error typically pops up when the Microsoft Store can't validate a license. This could be ...

January's Windows 11 update rendered classic Outlook unusable for many users. While Microsoft works on a fix, they've ...