A quick check on what Rav has said would be to select print instead of email, and see what that produces. Also, have you selected the correct year?
John L G
Jessica. Potentially, the 25th or 26th item is corrupted. Try excluding them from the run and see what happens. Then you will be able to isolate which one is causing the problem.
Daneille - have you disabled Pop-up-Blocker in your browser? Correction. You need to ENABLE popup blocker in your browser