Microsoft claims that Windows 11's built-in security tool is enough for most PC users, but that's only the case if the tool works. An issue affecting some PCs prevents security scans from being ...

Windows Security and its Defender antivirus component carries out quick scans and full scans of the files on your computer at regular, scheduled intervals. However, if the computer is switched off at ...

A virus scan protects PCs; however, it can sometimes slow the system down or cause it to hang while it checks thousands of files. This usually happens when the scan places a heavy load on the ...

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. Microsoft Defender is a ...