First off, you'll need Adobe Acrobat or another Portable Document Format viewer, either as a separate program or as plug-in for your web browser. See the Adobe site for help with this.
Some exams are just plain crooked.
This is another product of the way we created this service, and we are fixing the errors. This is an artifact of the software used for scanning. If you have a slow internet connection, downloading exams may take a few seconds. Pretty obvious, but worth mentioning. We apologize for any difficulties these peculiarities may cause.