[Tutorial] Fix Wii Error 003

PS3HaX memberĀ 3absiso has released a detailed video tutorial/guide on how to fix Error 003, for those unclear of what Wii Error 003 is, here is a small quote from WiiBrew:

The so called Error 003 occurs when a System Menu 4.2 or higher from a different region gets installed onto a Korean Wii.

It looks like this:
error 003

Here is the guide:

Don’t forget to visit the discussion thread on the forum, here:
WII Error 003 Detailed Fix

You can also get help with your PS3 from 3absiso.