In context: Microsoft Defender made its debut as a downloadable free anti-spyware program in the Windows XP days. Eventually, Microsoft turned into a proper antivirus solution (it's gone through a few ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

If you have installed a third-party antivirus tool and it is buggy or infected, it can interfere with Microsoft Defender Antivirus settings, including Tamper Protection. That could be the reason that ...