I've got an email from  co-operati​ve.bank.plc​.*** Email address is removed for privacy ***​ccount.aIer​t-mkw.coope​rative5.hos​t-6-coop.co​.uk
and it says 

This e-mail has been sent by The co-operative bank UK to $recipient (October 15th, 2012)

Account Alert ID: 86-mhk3

Dear customer (*** Email address is removed for privacy *** ), 

This e-mail has been sent to inform you that your account will be deactivated within the next 24 hours due to several unsuccessful login attemps on your account. 
To prevent this to happen please login securely to our activation link below: 

https://personal.co-operativebank.co.uk/CBIBSWeb/start.do&rec=*** Email address is removed for privacy ***&id=40573

If you have already confirmed your information then please disregard this message.


Regards,  
co-operative bank member services.


© the co-operative bank plc 2012

I am really worried and I don't want to get blocked for something that i haven't done.
I don't even know what does this website does its the first time this happens to me and i don't want this account to get blocked its my main account and i don't have any other one.