Trouble logging into new install

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I had a website from two versions ago that was working fine until I upgraded it and then I couldn't login to the admin account. I tried the email address as was suggested in this forum and that didn't work. I tried various combinations of other email addresses and passwords that could even slightly possibly be a login but they didn't work either. So I bit the bullet and decided that I would start all over so I deleted the site and the install of C5.

So I installed the newest C5 and I still cannot login. The "admin" as login does not work. I tried it with the email address I registered with and the password that was emailed to me and that did not work either. Any suggestions?

I am hosted under BlueHost. Thanks to anyone that can help!