Using cookies is optional, but strongly recommended. Cookies are used to track topics, showing you which topics have new replies since your last visit and to automatically log you in when you return.
If your computer is unable to use the cookie system to browse the board correctly, then the board will automatically add in a session ID to each link to track you around the board.
You can clear the cookies at any time by clicking on the link found at the bottom of the main board page (the first page you see when returning to the board). If this does not work for you, you may need to remove the cookies manually.
Removing Cookies in Internet Explorer for Windows
Close all open Internet Explorer Windows
Click on the 'start' button
Move up to 'Find' and click on 'Files and Folders'
When the new window appears, type in the domain name of the board you are using into the 'containing text' field. (If the boards address was '/forums/index.php' you would enter 'invisionboard.com' without the quotes)
In the 'look in' box, type in C:WindowsCookies and press 'Find Now'
After it has finished searching, highlight all files (click on a file then press CTRL+A) and delete them.
Removing Cookies in Internet Explorer for Macintosh
With Internet Explorer active, choose 'Edit' and then 'Preferences' from the Macintosh menu bar at the top of the screen
When the preferences panel opens, choose 'Cookies' found in the 'Receiving Files' section.
When the cookie pane loads, look for the domain name of the board (If the boards address was '/forums/index.php' look for 'invisionboard.com' or 'www.invisionboard.com'
For each cookie, click on the entry and press the delete button.
Your cookies should now be removed. In some cases you may need to restart your computer for the changes to take effect.