This is the "green" version of LoL Account Checker, if you are looking for the "blue" one there should be one in the same category forum.
NOTE: When it asks you if you want to update to the newer version because you have a different one, say NO. It is already updated to the newest one.
P.S. - Please click the UPVOTE button if I helped you. It takes less than 5 seconds to make a person's day happier