Alrighty, see if this helps, Pip.
Up top in the pull-down menus of Internet Explorer (File, Edit, Tools etc.),
click Tools, then
‘Internet Options’
This brings up a dialog with 6 tabs across the top (General, Security,
Content, etc.)
Click ‘General;, the look for ‘Temporary Internet Files’
Click ‘Delete Files’, then (if it appears, check off ‘Delete all offline
content’;, then click ‘OK’.
Click ‘OK’ again and this should clear all cached pages.