5-Year-Old Windows Defender Bug That Caused CPU Spikes on Firefox Finally Fixed The fix reduces CPU usage from Microsoft's MsMpEng.exe by as much as 75% while using the Firefox browser, according to a ...

A weird bug has been discovered in Windows Defender's real-time notification system that causes it to suck up CPU resources. Run this free utility to see if it's affecting your rig. Share on Facebook ...

Most modern Windows PCs rely on Microsoft Defender as their first line of defense against malware. Over the years, it has evolved into a capable and often underrated antivirus that blocks a wide range ...

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans, or ...