Sorry the login is not working. I can't reset the password for you because we don't have the cPanel password to access PhpMyAdmin. You can reset the password by following the instructions in the link below.
339: How to reset my OpenCart Admin Password
Not sure why the password did not work. The Install when through fine for me. The Database user was not added correctly earlier causing the install problem.
If you cannot reset the password please contact Tech support
as this is a public forum and you will not want to post any personal information in this forum. Sorry for the trouble.