Instructions for clearing your cache are presented below for several popular browser vendors and versions.
Internet Explorer (Version 3.x)
Select "View | Options..." from the menu
Change to the "Advanced" tab
Click on the "Settings" button
Click on "Empty Folder..."
Internet Explorer (Version 4.x)
Select "View | Internet Options..." from the menu
Change to the "General" tab
Click on the "Delete Files" button
Internet Explorer (Version 5.x and 6.x)
Select "Tools | Internet Options..." from the menu
Change to the "General" tab
Click on the "Delete Files" button
Mozilla Firefox (Version 1.0.x)
Select "Tools | Options..." from the menu
Change to the "Privacy" page
Click the "Clear" button next to the word "Cache"
Netscape Navigator (Version 3.x)
Select "Options | Network Preferences..." from the menu
Change to the "Cache" tab
Click on the "Clear Memory Now" button
Click on the "Clear Disk Cache" button
Netscape Navigator (Version 4.x)
Select "Edit | Preferences..." from the menu
Expand the "Advanced " category
Select "Cache"
Click on the "Clear Memory Cache" button
Click on the "Clear Disk Cache" button
America Online (Explorer Version 3.x)
Select "Members | Preferences" from the menu
Click on the "WWW" button
Click on "Advanced..."
Click on "Purge Cache"
America Online (Version 4.x)
Select "My AOL | Preferences" from the menu
Click on the "WWW" button
Change to the "General" tab
Click on "Delete Files" button
Opera
Select "Preferences | Cache..." from the menu
Click on the "Empty" button
If that does not work... (from www.opera.com)
Using Windows Explorer or File Manager
Go to the Opera directory (default is c:\Program Files\Opera
Open the folder called "Cache"
Delete all the files in this folder
WebTV
The only option presented by WebTV support (http://help.webtv.net) is to power off your WebTV terminal and turn it on again.