why is my user name being rejected?

malcolm
why is my user name being rejected? It is **********@hotmail.co.uk and the password too. I GET ‘user does not exist’ every time.

WordPress Agent
are you unable to login site

WordPress Agent
May I know your Website Address Please ?

malcolm
www.**********.com
yes. I Have tried many times

WordPress Agent
actually issue is your database getting cache
i mean
where your user information have store on server taking lot of cache need to remove cache and repair your database. so can i do that?

malcolm
what does that mean?
please do it, its driving me mad!

WordPress Agent
okay. are you hosted with *******?

malcolm
yes

WordPress Agent
may i know login details of your hosting?

malcolm
username **********
password ***********

WordPress Agent
yes i logged in

malcolm
okay, any luck

WordPress Agent
yes new username ********** and
password *********** please try and let me know

malcolm
yes I’m in now thank you, you are awesome…bye