: Your system firewall or a VPN may prevent the software from reaching the Xilisoft registration server . Temporarily disable your VPN or add the software as an exception in your firewall settings.
: Ensure there are no leading or trailing blank spaces in the text boxes after pasting. : Your system firewall or a VPN may
To resolve most activation errors, ensure you are following the exact registration protocol recommended by Xilisoft Support : : Your system firewall or a VPN may