HTML to PDF/RTF Java converter and tools › Forums › PD4ML v3 Archived Forums (Read Only) › General questions / FAQ › Error: Can not open pdf files in adobe reader › Re: Re: Error: Can not open pdf files in adobe reader
I am afraid we cannot help you with the issue analyze, based on that limited information.
Probably there are PDF viewer application, which cannot open already opened PDFs. Acroread usually locks an opened PDF file for overwriting/modifying. But as a rule it does not block a reading by other processes.