what are cookies

Cookies are small text files that some websites put on your computer to store a variety of information about you and your preferences. Here are answers to some common questions about cookiesWebsites use cookies to offer a personalized experience to users and to gather information about website use. Many websites also use cookies to store information that provides a consistent experience between sections of the site, such as a shopping cart or customized pages. With a trusted website, cookies can enrich your experience by allowing the site to learn your preferences or allowing you to skip having to sign in every time you go to the website. However, some cookies, such as those saved by banner ads, might put your privacy at risk by tracking sites you visit.
You can block or allow cookies on all websites or you can choose which websites' cookies are allowed.Blocking all cookies can help protect your privacy, but it might limit your experience on some websites. Be selective about which websites you allow cookies for. You can start by blocking all cookies, then allow cookies as needed for websites that you trust.Cookies are stored is in a folder named Cookies which is stored inside the Documents and Settings folder. By default, the path is C:\Documents and Settings\your user name\Cookies.
To delete all the cookies:

Start run command and type cookies and open it in the cookies folder delete all the files except the index fileTemporary, or session, cookies are removed from your computer after you close Internet Explorer. Websites use them to store temporary information, such as items in your shopping cart.
Persistent, or saved, cookies remain on your computer after you close Internet Explorer. Websites use them to store information, such as your sign-in name and password, so that you don't have to sign in each time you go to a particular site. Persistent cookies can remain on your computer for days, months, or even years.