Ask anyone around whether their PC would do great with third-party antivirus software, and you'll most likely get a yes. That's not because their PC lacks a default cybersecurity service. Instead, ...

If you have seen the program “Antimalware Service Executable” in the Task Manager, don’t be worried. It’s not a third-party service or a virus mimicking an antivirus. It’s an official program from ...

Here I was playing some Far Cry 2 on my machine (so not exactly a resource hog these days), when suddenly the screen goes black, I can't Ctrl Alt Delete, or get the task manager or anything, and the ...

When using Windows Performance Recorder (WPR), which checks system and application behavior and resource usage, if the CPU usage rate of 'MsMpEng.exe', which is the Microsoft Defender execution ...

The Antimalware Service Executable is a process you might see pop-up in Task Manager’s task list now and again, beavering away at … something. While it’s not always obvious what it’s up to, and the ...

I just noticed on my mom's computer that some "MsMpEng.exe" process (labeled "Antimalware Service Executable" and located under "C Program Files\Microsoft Security Client\") is consuming 100% of CPU.

It took over five years, but Microsoft has finally fixed a bug that caused Windows Defender to drain CPU resources when Mozilla’s Firefox browser is active. In 2018, Mozilla staff reported that ...

Why it matters: Microsoft has released a crucial bug-fixing update to its Windows Defender antimalware application. Its arrival means that some unlucky Firefox users should now get a much smoother and ...

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 ...