How to permanently disable filter keys in Windows 8?

Solution 1:

This may be happening since the keyboard shortcut to activate Filter keys may still be enabled (this is the default). Under the Turn on Filter keys option, click the link that says Setup Filter Keys. Here, uncheck the option Turn on Filter keys when right SHIFT is pressed for 8 seconds.

EDIT: Screenshots Added (for Windows 8)

1. Press RSHIFT and hold it down for 8 seconds

Shift button pressed 5 times in a row on Windows 8

  1. Click on "Go to the Ease of Access Center" and...