Microsoft Defender is an in-built antivirus software of the Microsoft Windows operating system. This antivirus software scans the Internet browser and removes viruses, spyware, and malware from our ...

It took over five years, but Microsoft has finally fixed a bug that caused Windows Defender to drain CPU resources when Mozilla’s Firefox browser is active. In 2018, Mozilla staff reported that ...

When surfing the Internet via a browser, you may see an error stating that your computer is locked and that you must contact Microsoft to resolve the issue. If you ...

If you spend any time browsing the internet (and honestly, who among us doesn't?), chances are you're using Google's Chrome web browser. While other major web browsers exist, including Mozilla's ...

Microsoft's own antivirus service comes pre-installed on Windows, but our expert antivirus tests prove there are better alternatives. Tom MorganSenior Consumer Writer With over a decade of experience ...

Michael joined Which? in 2017 and is the senior researcher on the Cars team. He’s passionate about improving safety and fairness for all road users — from drivers to pedestrians. Our cyber-security ...