Description
Due to a problem in the Quartus® Prime software version 16.0 and later, you may see that links to the html pages for the DSP Builder Advanced example designs are broken.
Resolution
To work around this problem, open the following file from your Quartus installation directory in a text editor.
quartus\dspba\Examples\demos.xml
Replace each instance of <file> with <file>../Docs/Help/
This problem is fixed beginning with version 16.1 of the Quartus Prime software.