How to fix Malwarebytes Error 1603

ByCarrie Obrien

Malwarebytes error 1603 occurs after installing or updating your antivirus program. You may not be able to download or update your product. The error code in the form is the reason for the error. Similar to the above, you may see a message on your screen stating Malwarebytes won t update error.

Symptoms of Malwarebytes Error 1603

  • This error causes Windows to crash and then crash.
  • Malwarebytes error code 1603 causes regular crashes of your computer when running the same program.
  • The screen displays “Installation Successful or Error Status: 1603”.
  • Windows run slowly or respond slowly to the keyboard and mouse interface.
  • Sometimes your computer freezes for a few seconds at a time.

This error message may appear during the installation of the program. It can also occur during a Malwarebytes virus scan, Windows startup or shutdown, and even during the installation of the Windows operating system. It is important to keep track of any issues that occur so that they can be used to help you resolve the issue.

Causes of Malwarebytes Endpoint Security Error 1603 

  • Download and install Malwarebytes virus scanning software for damage
  • Malwarebytes Virus Scan has detected corruption in the Windows registry due to recent software changes (installations and uninstallations).
  • This error can also be caused by program files connected to Malwarebytes virus scan or by the corruption of Windows system files due to malware or virus infection.
  • Malwarebytes virus scan-related files were also maliciously or inadvertently deleted by the Windows program.

Malwarebytes agent error code 1603 can occur for many reasons. It is important to identify and correct any errors that may be causing it.

How to Fix Malwarebytes Virus Scanner Error Code 1603

Here are the methods you can use to correct this annoying mistake.

Use the Scale Tool

  • This error can be caused by corrupted or broken MSI entries. It can be fixed manually.
  • These registry entries can be cleaned automatically with the escalation tool.
  • Before editing the registry, confirm that you have made a backup. Editing can be completed under professional supervision.

Malwarebytes Virus Scan for Malware

To make sure the error is not caused by malware or viruses, run a system scan.

Get rid of Junk Files

  • You should make sure to remove junk files from your computer from time to time.
  • Launch the command prompt.
  • Run cleanmgr.
  • Disk Cleanup will automatically remove all junk and temporary files.

System Drivers Update

  • Error code 1603 can also be caused by outdated operating systems and drivers.
  • Driver doc can help you make sure your graphics drivers are up to date.

Reinstall Malwarebytes Security Antivirus

  • Incomplete installation may cause an error. Reinstalling your antivirus software may fix it.
  • Open Control Panel.
  • Click here to visit Programs and Features.
  • Highlight Malwarebytes Antivirus.
  • Click Uninstall.
  • Final step: reinstall Malwarebytes security antivirus.

You should now be able to fix the Malwarebytes endpoint security error 1603. If the problem persists, you can chat with our professionals.