We apologize for the inconvenience caused if you are getting error 109 when opening a PDF file, chances are the file is corrupt.
If you have downloaded the file, try downloading it again. If you created the file yourself, try creating it again from the original source. That may be all you need to do to solve this problem.
On the other hand, there may be nothing wrong with the file itself, but your PDF reader may be having trouble making sense of it:
If the issue still persists, use Acrobat cleaner tool to remove Acrobat Download Adobe Reader and Acrobat Cleaner Tool - Adobe Labs
Reboot the machine and install Acrobat from Download Pro or Standard versions of Acrobat DC | Non-subscription
Let us know how it goes and share your findings.