Adobe Pro 9.0 is not compatible with The Raiser's Edge. Adobe 9 Reader (non-Pro version) is compatible with The Raiser's Edge 7.91.5056 and higher. Ensure Adobe 9 Reader (free version) or lower is installed on the machine. Adobe X (non-Pro version) is compatible with The Raiser's Edge 7.92.5508 and higher.

OR

1. Locate and open the original file on the computer where it is stored
(NOTE: If you are unable to open the file on your computer, please consult with your IT staff to see if a backup of the file can be restored.)
2. Use Save as to create a new copy of the file
3. Re-add the new document to the Media tab on the Constituent's record and the document should now open successfully

OR

Add the document as a file type other than .pdf  (ie: Microsoft Word document)

OR

Within Adobe Reader, turn off the Protected Mode.

If this issue is occurring for all attached media or if the above solutions do not resolve this issue:
Contact Support and reference this article.