How to Fix Malwarebytes High Memory Usage?

Is your computer facing high memory and CPU usage? Due to this, is your computer running very slow and encountering frequent crashes? If you have installed Malwarebytes, then it is the causing this problem. Malwarebytes service is eating all your memory and CPU. Here in this article, you will know how to fix Malwarebytes high memory usage.

What Causes Memory Leaking?

On 27 January 2018, Malwarebytes released a faulty update which created problems for many Windows users. It was a web protection update which started blocking internet connection and high RAM and CPU usage. The bug was in update version was v1.0.3798. If you have this update, then it is the reason your computer is facing crashes.

Malwarebytes High Memory Usage

After this, Malwarebytes corrected the bug in the update and released an update v1.0.3803. This update will solve your problem. However, due to the high RAM usage, you will not be able to update Malwarebytes correctly. Follow the below steps to correct this issue.

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​Here are the steps suggested to fix high memory usage by Malwarebytes:

Method 1 - Turn off Web Protection and Download Update

1. Open Malwarebytes


2. Go to Settings, the go to Protection tab, and turn off Web Protection. You might receive a User Account Control warning, Click on Yes to allow it to make changes.

How to Fix Malwarebytes High Memory Usage

3. Now Click on Dashboard. Under the Scan Status, click on Current next to Updates to download the latest update.

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4. Once the update gets installed restart your computer. The new update may take up-to 3 restart to stabilize the system.


5. Now Turn on Web Protection

Method 2 - Safe Mode with Networking

If Method 1 doesn’t solve the problem, then you can try Safe mode with networking. In safe mode your computer blocks several things and the update may install quickly before Malwarebytes start causing the issue.

1. Restart your computer in Safe mode with networking.  To do that Press Ctrl+Alt+Del and Click on Power button and then click Restart. Then follow these options TroubleshootAdvanced optionsStartup SettingsRestart. Windows will restart and you will be presented with different options. Press 5 on your keyboard to start with Safe mode and networking.


2. Once your computer starts repeat 1-4 steps from above Method 1.


3. Now boot your computer in normal mode and then restart it again. You problem should go by now. You can enable Web Protection at this point.

Method 3 - Run Malwarebytes Cleanup Tool

If Method 1 and Method 2 are not working for you, then you can try this method.

1. Download Malwarebytes Cleanup Tool


2. Now close all running applications and run the clean up tool.


3. Now click on Yes to backup the license key and start the cleaning process.


4. Once the cleanup is completed a prompt will appear, select Yes to restart the computer.


5. After your computer gets restarted another prompt asking to download, install, and activate Malwarebytes will popup. Click on Yes.

Verify that you have Corrected Update

A faulty update caused this issue. So when everything is stable, you should verify that you have installed a corrected update. To do that follow the below steps –

1. Open Malwarebytes


2. Open Settings, and then click on About tab


3. Under the Version Information verify Update package version to be – 1.0.3808 or higher.

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