Internet Explorer 7
First click the 'Tools' menu and go to 'Internet Options' at the bottom.
A screen like this will pop up:
This will open a new window with options as to what to delete:
Please select Temporary Internet Files
Once you have deleted your temporary internet files, please close all internet explorer windows and then reopen.
If you still have an error, please email firstname.lastname@example.org with the error ID and your login name.