- Instructions -

1. If you have a previous version activated to Premium using any keygen, remove it completely, particulary make sure you totally delete the following path:
"C:ProgramDataMalwarebytesMalwarebytes Anti-MalwareConfiguration" (without quotes)
[Delete this folder! Also make sure to clean registry leftovers. Afterwards reboot.]

(OR)

Uninstall using the "Geek uninstaller" or "Malwarebytes Unistaller" provided.

2. Enable internet connection, this workaround will work in online environment.

3. Edit the hosts using notepad as adminstrator:

In notepad, open the following path:
"C:WindowsSystem32Driversetchosts" (without quotes)

hosts file opens edit ip or add ip and domain as below to already existing sets of hosts:
"0.0.0.0 keystone.mwbsys.com" (without quotes)

Save the hosts.

4. Then install older version setup "Malwarebytes v2.2.1.1043 Setup".

5. After installation is done, don't launch it.

6. Copy the License file () in the following path:
"C:ProgramDataMalwarebytesMalwarebytes Anti-MalwareConfiguration" (without quotes)

7. Confirm replacing. Still don't launch Malwarebytes!

8. Now, install newer version setup "Malwarebytes v3.0.4.1269 Setup".

9. Now you can launch the application.