Sometimes developers of games and applications on Facebook may ask you to clear your cache as a troubleshooting method. Clearing your cache is something that you do within your browser software and is not limited to one website. When you clear your browser's cache, your browser will refresh and display the newest information from the Facebook website. Each type of browser requires a different method to clear the cache.
Press the "Alt" key on your keyboard to make the top menu appear.
Click "Tools," then click "Clear Recent History."
Select "Everything" from the "Time range to clear" drop-down menu.
Click the arrow next to "Details."
Place a check in the box next to "Cache" and remove a check in the box next to any other item.
Click "Clear Now" to clear your cache for Facebook and all other websites.
Click the "Tools" icon, then click "Internet Options."
Click "Delete" under "Browsing History."
Remove the check in the box next to "Preserve Favorites website data."
Click "Delete" to clear your cache for Facebook.
Click the "Tools" icon, then click "Options."
Navigate to the "Under the Hood" tab.
Click "Clear Browsing Data."
Click to select "Everything" from the drop-down menu.
Place a mark next to "Empty the cache" and remove marks from all other options.
Click the "Clear browsing data" button to clear your cache for Facebook.