Pdf problem

[Ewa1]

Please I really need your help guys, my lecturer uploaded a file on her page ,which we were supposed to download for our upcoming exam. I tried downloading it ,however it kept on saying PDF is of an invalid format. I really don't know what to do, please help

 

[N4Newbie]

Are you sure others aren't having the same problem? She might have uploaded a corrupt file.

Otherwise, delete the pdf from your phone and try downloading it again.

Which pdf reader are you using?