I fixed the line of code that was causing the error but recently when he revisited the page he received the error again.
In his internet options he has the following settings:
Delete browsing history on exit - Unchecked
Check for newer versions of stored pages - Always
My questions are:
1. If IE10 is not deleting browser history on exit, is it using those pages to display content when a page is revisited?
2. When IE10 checks for a newer version of a stored page, is it checking css and js files as well?
It seems as if when users are opening pages that are stored, css and js files are not updated.