camotto wrote:

>>> I created a hyperlink within my notes to a PDF file. When I try to
>>> open it from within OneNote, I get the usual "this file may be
>>> unsafe", then an error message that says file cannot be opened
>>> because "No program is registered to open this file."
>>>
>>> This is not correct/true - I confirmed that Adobe Reader 9.1 is the
>>> default program to open all PDF files and the "always use this
>>> program to open these kinds of files" is checked off.
>>
>> To cure problems with PDF program association - depending on the OS:
>> 1.) Vista
>> - download and run UNASSOC (it does not need to be installed);
>> - navigate to ".pdf" and delete the entry;
>> - open the Reader and let it be repaired
>> Help => Repair Adobe Reader installation.
>>
>> 2.) XP:
>> - open "Folder Options" (from the Explorer or the Control Panel);
>> - open the tabbed page "File Types";
>> - navigate to PDF;
>> - use the "Delete" button to remove PDF from the list;
>> - run a repair (as above).
>
> Do you really think it has to do for an association problem, though?
> Because other than in OneNote I don't have problems opening up PDF
> files.

I can not see any other reason for the symptoms on your side.
Never had any problems with opening of PDFs

> Just double checking before I download this program/utility.

UNASSOC does not do any harm. The necessary associations are re-created
by running the repair.
Under Vista my recipe even made it possible to assign the Adobe Reader
as the instrument to open attachments of mails instead of Acrobat coming
up.

Rainald
P.S. I forgot to post the reference for the utility. Here we go:
http://www.winhelponline.com/article...ows-Vista.html
Pls also see: Ramesh Srinivasan: Unable to open .PDF attachments from
Windows Mail
http://www.winhelponline.com/article...dows-Mail.html