Cant access my dashboard!!!

Hi there, i got a bit of an issue with my wp since the last couple of days:

Hi there,

I got a bit of a problem with wordpress and wonder if you could help.

Let me explain a bit how the issue started:

1. I decided to use cloudflare as my page was loading quite slow
2. did all the cloudflare set up and all was working fine until the 30th dec 14
3. when i tried to log in on the 31st the wp login page keep staying on the same page even that the log in details were fine
4. i have wordfence and every time i tried to log in it keep saying that I have successful logged in
5. i decided to drop cloudflare and change the nameservers back to what they were before and deleted my website from cloudflare
6. login page keep given the following error: ” ERROR: Cookies are blocked or not supported by your browser. You must enable cookies to use WordPress. “
7. I disable w3 total cache which was working with cloudflare, problem still there

Anyone with any ideas of what could i do to access my wp dashboard again.

Thanks for the help

Fabian.

PS. Happy New Year.