Windows Update error 0x80240069 has been occurring recently when installing KB5063878 using enterprise tools like WSUS or SCCM, but it works fine when using Windows ...
The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical cybersecurity alerts.
Think Windows 11's antivirus is broken? Thankfully it isn't, although the app is suffering from a pretty frustrating bug.
The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.