Microsoft has confirmed that some users might find their PC unable to boot after installing the January 2026 security update released on January 13. This is on top of the plethora of other issues that ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems besetting users, specifically Outlook becoming “ unusable .” And it comes a week ...

Microsoft is actively investigating the boot failure reports and working on potential fixes or additional workarounds. If you have downloaded the latest security updates from the January 2026 patch, ...