If your system files are corrupted, built-in Windows 11 components, such as Windows Security, will not be able to run.

Microsoft's timing is awkward, as it continues to encourage Windows 10 users to upgrade now that official support has ended.

Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

Microsoft is now rolling out an out-of-band fix for Windows 11 to address a major bug the company introduced with its latest ...

If a Windows upgrade has ever gone sideways on you, you know how vague and unhelpful the error messages can be. Here are my go-to troubleshooting tricks when that happens.