If the trial version of Malwarebytes installed on your computer expires, the error code 577 might appear. To avoid this, you have to uninstall the antivirus using Malwarebytes Support Tool. After the antivirus is uninstalled, follow the instructions on this page to remove the Malwarebytes error code 577.
Method 1: Steps to uninstall the third-party software
If the antivirus software has an uninstaller tool, download the tool from the official antivirus website. Install the uninstaller tool on the computer and run the software to remove the antivirus from the computer. If the antivirus software does not have an uninstaller tool, follow the standard software uninstalling steps.
On the Windows computer, click the Start icon and then type control panel in the search box.
Select the Control Panel app from the search list.
Click the View by drop-down box and then select Category.
Click the Program option and then click Uninstall a program.
In the next window, click on Malwarebytes from the list and then click Uninstall.
If prompted, click Yes in the User Account Control pop-up window.
Now, download and install the latest version of Malwarebytes on your computer.
Method 2: Steps to clear the error code 577 using Malwarebytes Support Tool
The Malwarebytes support tool helps to repair and resolve the error code 577 on Windows. When you run this tool, it will delete all the Malwarebytes files and ask you to reinstall the software. It will install the latest Malwarebytes software on Windows.
Make sure your computer is connected to a network.
Open the default web browser, then download Malwarebytes Support Tools from the Malwarebytes official website.
Run the downloaded file. If the User Account Control screen appears, click Yes to continue.
If Microsoft .NET 4.0 Framework is not installed on the computer, click OK on the prompt and it will direct you to the Microsoft .NET 4.0 Framework web page.
Download and install the Microsoft .NET 4.0 Framework.
In the next window, read the agreement and select the check box next to Accept License Agreement.
Click Next to complete the installation, and the Malwarebytes Support Tool opens.
Click Advanced in the left navigation pane and then click Clean.
A pop-up window appears and you have to click Yes. Before that, make sure all your work is saved in the background.
Again, the Malwarebytes Cleanup pop-up window appears and click OK to restart the computer.
After the computer restarts, click Yes in the User access control pop-up window.
When the Reinstall Malwarebytes for Windows pop-up window appears, it means all the Malwarebytes files have been removed from the computer.
Click Yes to reinstall Malwarebytes on the computer.
Select on option displayed on the screen when you see this message: Where are you installing Malwarebytes?
Finally, click Install.
You have now successfully uninstalled and reinstalled Malwarebytes on Windows.
Hope, the Malwarebytes error code 577 is cleared from your Windows computer.
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