Error "File does not begin with '%PDF-'" When Clicking a Downloadable File in a Web Browser Issue
When you click a link to a downloadable file in a Web browser, your Adobe Acrobat viewer starts, then returns the error, "File does not begin with '%PDF-'."

Solutions
Do one or more of the following:
Note: If after you work through these solutions, you still get an error when you click a link to a downloadable file, report the problem to Adobe. For more information, see document 322957, "How to Report a Download Problem."

Solution 1

Hold down the Shift key (Windows and UNIX) or the Option key (Mac OS) when clicking the link. In most Web browsers, this enables you to specify a location on your hard disk to save the file. After the download is complete, navigate to the folder location where you chose to save the file, then double-click the file to open it.

Solution 2
Configure your Web browser to properly handle the file type you are downloading. For assistance, refer your Web browser's documentation or support resources. For example, if you use Netscape Navigator, search the
Netscape Web site at http://help.netscape.com/ for document 960513-18. If you use Microsoft Internet Explorer, search the Microsoft Web site at http://search.support.microsoft.com/kb/c.asp?fr=0&SD=GN&LN=EN-US for Article ID Q170210 and Q170802. Or, contact your Web browser's manufacturer to ensure that your Web browser is handling the file type correctly.

Solution 3

Make sure the file you're downloading is not damaged. For more information,see document 323023.Additional Information
This problem may occur when the operating system is incorrectly configured to associate a file type other than PDF with an Acrobat viewer. This problemmay also occur when you attempt to open a damaged PDF file.