I had previously thought that all cookies were bad and should be deleted but I think from what I have read recently, there are some you shouldn't delete. How do you know which ones to keep and which ones to delete? I have Trend Micro PC-cillon installed on my computer and whenever it has done a search it comes up with a list of cookies with numbers and asks me if I want to delete them? I've followed the link to their web page for more info but it doesn't tell me much other than whether it's low risk and the web page address. I've found out how website addresses for websites I haven't visited send cookies to my computer but out of everything I've read, I still can't work out which ones to keep. Also, I wondered if there was a list or legend of cookies associated with the numbers that Trend Micro shows beside each cookie as it's a pain when you have over 20 cookies, having to link back to the website to find out more information for each one.