1045 - Access denied for user '****'@'****' (using password: YES)

Well, I am setting up a forum, but when I try to connect to my mysql db it says this:
1045 - Access denied for user '*****'@'*****' (using password: YES)
How can I fix this?

Please see this FAQ article: https://infinityfree.net/support/help-i-cannot-connect-to-mysql