       <p>The address specifies a protocol (e.g., <q>wxyz://</q>) the browser does not recognize, so the browser cannot properly connect to the site.</p>       <ul>         <li>Are you trying to access multimedia or other non-text services? Check the site for extra requirements.</li>         <li>Some protocols may require third-party software or plugins before the browser can recognize them.</li>       </ul>     
       <p>The address specifies a protocol (e.g., <q>wxyz://</q>) the browser does not recognize, so the browser cannot properly connect to the site.</p>       <ul>         <li>Are you trying to access multimedia or other non-text services? Check the site for extra requirements.</li>         <li>Some protocols may require third-party software or plugins before the browser can recognize them.</li>       </ul>     