How to Fix ‘Antimalware Service Executable’ High CPU

The ‘Antimalware Service Executable,’ also known as MsMpEng.exe, is a critical component of Windows Defender, Microsoft’s built-in antivirus software. While it plays a crucial role in protecting your computer from malware and other threats, sometimes it can cause high CPU usage, slowing down your system and causing frustration. In this guide, we’ll explore the reasons behind this issue and provide detailed solutions to fix the ‘Antimalware Service Executable’ high CPU problem in USA.

Understanding the Problem
High CPU usage by ‘Antimalware Service Executable’ can occur for various reasons:

Scan Processes: Windows Defender periodically runs scans in the background, and during these scans, the CPU usage can spike.

Real-Time Protection: Real-time scanning of files and network activity can consume CPU resources, especially when dealing with large files.

Conflict with Third-Party Antivirus: If you have third-party antivirus software installed, it can conflict with Windows Defender, causing high CPU usage.

Malware or Corrupted Files: In some cases, malware infections or corrupted Windows Defender files can trigger this problem in USA.

Now, let’s delve into the solutions to resolve the ‘Antimalware Service Executable’ high CPU usage issue microsoft defender antivirus service high cpu.

Solution 1: Configure Windows Defender Settings
Schedule Scans: Open Windows Security (formerly Windows Defender Security Center) and go to “Virus & threat protection.” Click on “Manage settings” under “Virus & threat protection settings” and adjust the scan schedule to a time when your computer is less active.

Exclusions: Exclude certain folders or files from real-time scanning if they are known to be safe. Go to “Virus & threat protection settings,” select “Add or remove exclusions,” and choose the items to exclude.

Limit CPU Usage: You can limit the CPU usage of Windows Defender by using the Windows Security app. Navigate to “App & browser control,” click on “Exploit protection settings,” and add “MsMpEng.exe” as a custom rule, then set the CPU usage limit microsoft defender antivirus service high cpu.

Solution 2: Disable Windows Defender
Warning: Disabling Windows Defender is not recommended unless you have a reliable third-party antivirus program installed in USA.

Group Policy Editor: Press Win + R, type “gpedit.msc,” and press Enter. Navigate to “Computer Configuration” > “Administrative Templates” > “Windows Components” > “Windows Defender Antivirus.” Double-click “Turn off Windows Defender Antivirus” and select “Enabled.”

Registry Editor: Press Win + R, type “regedit,” and press Enter. Go to “HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender” and create a new DWORD (32-bit) value named “DisableAntiSpyware.” Set its value to 1.

After disabling Windows Defender, make sure to install and regularly update a third-party antivirus solution to maintain your computer’s security in USA.

Solution 3: Scan for Malware
Windows Security: Open Windows Security, select “Virus & threat protection,” and click on “Quick scan” or “Full scan” to check for malware infections. Follow the prompts to remove any detected threats.

Use Third-Party Antivirus: If you suspect that Windows Defender itself is compromised, use a trusted third-party antivirus scanner to perform a deep scan of your system microsoft defender antivirus service high cpu.

Solution 4: Update Windows Defender
Ensure that Windows Defender is up to date microsoft defender antivirus service high cpu. Microsoft regularly releases updates to improve its performance and address known issues. To update Windows Defender:

Go to “Settings” > “Update & Security” > “Windows Update.”

Click on “Check for updates” and let Windows download and install any available updates in USA.

Solution 5: Check for Corrupted System Files
Corrupted system files can lead to various issues, including high CPU usage by ‘Antimalware Service Executable.’ To check and repair these files:

Open Command Prompt as an administrator by searching for “cmd,” right-clicking it, and selecting “Run as administrator.”

Type the command: sfc /scannow and press Enter. This will initiate the System File Checker utility to scan and repair corrupted system files.

Once the scan is complete, follow any on-screen instructions to fix the issues microsoft defender antivirus service high cpu.

High CPU usage by ‘Antimalware Service Executable’ can be frustrating, but by following the solutions outlined in this guide, you can resolve the issue and improve your computer’s performance. Remember to regularly update Windows Defender and keep your system free of malware to ensure optimal security. If the problem persists, consider seeking professional help or using a third-party antivirus solution while keeping Windows Defender disabled in USA.


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