There are several reasons why cookies might not be working including a high browser security setting, the wrong year set on your computer, aggressive settings on security software or possibly an existing damaged cookie.
How to enable cookies
If you are using Internet Explorer, go to the Tools menu, then Internet Options. Now select the Security tab and make sure you have security set to "medium". You should also check that the Privacy tab settings are on "medium". Also, please check that the date and YEAR are set correctly on your computer.
If it still not working, then please go to the following link to test your cookies:
Still having problems?
There are other reasons why cookies may not be working including use of Norton Security (or other firewall programmes), use of a web-cache or use of Telewest's Popup Stopper software.