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

It's a good thing I disabled BitDefender when I installed my OS. It never seemed all that helpful, but it certainly slowed down my system greatly. Click to expand... If you "disabled" it then you ...

A number of BitDefender users, whose 64-bit Windows systems stopped working or were unable to be rebooted after security program updates, vented their frustration by flooding the antivirus vendor's ...

Available as a public beta, a new version of Windows Defender is designed to run off a CD or USB stick to scan your PC for malware before Windows loads. Lance Whitney is a freelance technology writer ...

PC users have been using Windows Defender to free themselves from the bane of viruses, malware and spyware for quite a while, but until now, you've needed Microsoft's OS running for it to do its work.