just checking

this blog is pissing me off. i cant figure out how to make it work since it changed to the new version. finally i can add a post to mine but i cant add a comment to others HELP!!!! i just cant figure it out. it keep saying i have entered a wrong password and i don't know where to go to change it or to fing out why it is wrong if it will allow me to write one here. any ideas?
T