What is your OS?
What is your exact Adobe Reader version?
Can you post a screenshot of that dialog box?
: the OS version is Windows Vista
: The adobe reader version is 9.0
I tried to create a screen shot but was not able to. The dialog box was referring to a file conversion and one of the options was 'select encoded text' with another box that had dozens of different languages. What appeared as text though was
Does this only hapen when you double click a PDF file to open it or does it also happen if you open Reader first then use File>Open to open the PDF?