Issues with the experiments containing PDF files

Issues with the experiments containing PDF files

An E-Notebook user saw the following errors in some sections containing PDF files:

Error Initializing Field PDF: Specified cast is not valid.
 
or

Error Loading: Esception has been thrown by the target of invocation.(The specified module could not be found. (Exception from HRESULT: 0x8007007E))


When trying to Sign and Close the experiments with PDF files, the user saw:

---------------------------------------------
Experiment: XXX-XXXXXX-XX  State: Open  Transition: Sign and Close
---------------------------------------------
Sorry, The specified module could not be found. (Exception from HRESULT: 0x8007007E)
---------------------------------------------
OK
---------------------------------------------



SOLUTION:

These issues appeared to be caused by the Adobe Reader updates. Re-installation of Adobe Reader helped.