This can be caused by any of following:
- The destination may have been entered incorrectly.
Make sure that the hyperlink destination is correct.
- The destination file might have moved or might not exist anymore.
Verify that the file exists. If it is on the Internet, search for it in your Web browser. If it is on your hard disk or on a network, search for it in Microsoft Windows Explorer.
- You may not have access to the destination file.
If it is on the Internet, make sure you have a connection to the Internet. If it is on a network, contact your administrator to ensure that you have access to the network.