In other words, you can read and print the help.pdf file correctly. There was an error processing a page. Operation or data is too complex. An unrecognized token was found. Acrobat Reader will try to repair the file.
Problems occur during printing.
Many browsers default to downloading unrecognized file types as text rather than binary. When the Acrobat Reader software tries to open a PDF file that has been converted to text, various problems occur depending on the Reader version and platform. This can be done different ways. Correctly set Adobe Acrobat as a helper application using the directions in the install paragraph. Other browsers have similiar procedures to download files as binary.