FIX: Malwarebytes won’t update on Windows 10

By: Aleksandar Ognjanovic
4 minute read
malwarebytes won't update windows 10

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The all-around protective nature of Malwarebytes put it at the top of the free antivirus tools market. The main Malwarebytes suite, besides dealing with those pesky viruses, also deals with PuPs and adware. With both free and premium variations of the suite. However, the integration with Windows 10 (like with so many 3rd-party solutions) is failing users. Namely, some of them are unable to update the Malwarebytes client, even after multiple tries.

We conveyed a search and provided you with some viable solutions. Give them a try and inform us if they work.

Malwarebytes fails to update? Here’s what you need to do

  1. Install updates manually
  2. Check Windows Firewall
  3. Reinstall Malwarebytes
  4. Update Windows

1: Install updates manually

Firstly, we need you to do one thing before installing updates manually. The first thing you should do is confirm that Windows Defender is disabled. Two antimalware services with the real-time protection enabled and working at the same time isn’t exactly a good idea.

With the initial installation, the system disables the Defender automatically, but that can change after a major update. Navigate to Windows Defender > Virus & threat protection > Virus & threat protection settings and disable Real-time protection.

After that, restart your PC and open Malwarebytes. Navigate to Settings and, under the Application tab, click Install application updates.malwarebytes won't update windows 10

2: Check Windows Firewall

Another thing worth inspecting is Windows Firewall. As we already mentioned in the preceding step, a major update can really make some essential changes to your system. This includes meddling with your Firewall permissions. For that reason, we encourage you to navigate to Windows Firewall settings and allow Malwarebytes to freely communicate to an update server.

Here’s what you need to do:

  1. In the Windows Search bar, type Allow and open Allow an app through Windows Firewall.malwarebytes won't update windows 10
  2. Click on the “Change settings” button.
  3. Click “Allow another app“.
  4. Navigate to the Malwarebytes installation folder and add the executable file.malwarebytes won't update windows 10
  5. Allow it to communicate freely with Public and Private networks.
  6. Confirm changes and restart your PC.
  7. Try updating Malwarebytes again.

3: Reinstall Malwarebytes

Now, if you’ve ever installed a previous version of Malwarebytes (or any other antimalware software), the remaining associated files might corrupt the current installation. Thus, some of the main features might not work as intended. This requires a complete reinstallation of the application.


For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

But, as we already stated, the antivirus integrates much deeper than your usual third-party program. That’s why the good folks from Malwarebytes offer a special tool which should help you clean all the associated files. Afterward, you can install the Malwarebytes suite and, hopefully, be able to update without any issues.

Here’s what you need to do:

  1. Download Malwarebytes Cleanup Utility, here.
  2. Run the tool and accept the EULA terms.
  3. The tool with start with the uninstall procedure and will, eventually, ask for a reboot.
  4. Restart your PC.
  5. After the restart, choose to install the latest version of Malwarebytes.

Note: if you had a free Malwarebytes version, we strongly recommend you to purchase the full version as it is supported way better than a free version.

Finally, you can use the log file to share your concerns with the developer. You can post it as an attachment on the official forum. If the prior steps failed to resolve the issue, of course.

4: Update Windows

And, as a final note, we must remind you of the most usual cause of failing updates. Major Windows 10 updates are known for breaking third-party tools. The most reports regarding the Malwarebytes updating issues emerged after a major update (specifically, Creators Update).

With that in mind, you should install system patches and updates as soon as possible. Hopefully, one of them should help you resolve the issue at hand. To make sure that all updates are on point, we encourage you to check for updates manually. Follow the steps below to check for Windows 10 updates:

  1. Open Settings.
  2. Choose Update & Security.malwarebytes won't update windows 10
  3. Click Check for updates.malwarebytes won't update windows 10
  4. Install all available updates and reboot your PC.
  5. Check whether the Malwarebytes client can update.

That’s it. If you’re still plagued by the same error and unable to retrieve the latest updates from Malwarebytes, make sure to share your concerns on their dedicated forum. In addition, if you have any questions or suggestion, don’t shy away from posting them in the comments section below.

RELATED STORIES YOU SHOULD CHECK OUT:

For various PC problems, we recommend this tool.

This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues now in 3 easy steps:

  1. Download this PC Repair Tool rated "Excellent" on TrustPilot.com.
  2. Click “Start Scan” to find Windows issues that could be causing PC problems.
  3. Click “Repair All” to fix all issues with Patended Technologies (requires upgrade).

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