Passwords are case sensitive and your attempt at connecting to CCSI will fail if you don't input your password correctly. Always check and make sure that your Caps Lock key is not on and enter your Password in Lower case. This is useful if you visit a site that you have customized for yourself, such as a newspage with certain news categories that you always want to see each time you visit that page. By accepting the cookie, the next time you visit that site, it will read your cookie and you can view the site as you had it configured. This is truly a personal choice.
Different people have different opinions on cookies.
The best thing to do is read more information about cookies and decide for yourself. Check out the following site for a start. You will limit your access to some active content on some sites. Most of the information on these sites will still be available to you if you reject cookies. Yes, CCS Internet provides you with basic software to get you connected and surfing.