cant get into my admin redirects back to wordpress.com admin

hi guys

my blog has just migrated onto a selfhosting using www.ads-software.com, my friend who works on the blog did the transfer, set up etc… he’s able to log in, but when I log in I get redirected back to the wordpress.com admin log in i’ve cleared the cache,cookies etc… data but it still redirects back to wordpress.com, any idea whats wrong?