The January Patch Tuesday updates for Windows refresh the expiring certificates for Secure Boot, which protects your computer against bootkit malware.

Toggle the Real-time protection switch off. You may receive a User Account Control (UAC) prompt asking if you want to allow the change to occur. Select Yes. When you're ready to turn system protection ...

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 ...