Hackers can now easily turn off your Windows Defender program by registering a fake antivirus on your computer. To do that, they use a new tool called Defendnot, recently released by a security ...

Learn how to whitelist, allow, unblock or block a Program or App in the built-in Windows Firewall. You can blacklist or whitelist apps individually or block a program like Photoshop too from ...

If Microsoft suspects the program to be malicious, Windows Defender is signaled to block it. ... You could use Local Group Policy Editor to block Windows Defender in Windows 11.

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.

The latest Windows Defender update has added the option to block drivers with “security vulnerabilities”. Microsoft VP David Weston announced the addition on Twitter over the weekend.