Issues downloading manuals for comodo firewall

when attempting to download the manuals for the firewall software from CONTACT US - Comodo: Cloud Native Cyber Security Platform i recieve the following php error…

Fatal error: ERROR: Invalid Download File specified. Make sure the file exists under the files directory. in /var/www/kayako/modules/downloads/client_downloads.php on line 212

Hi,
I Would Request You To Check With This Link http://personalfirewall.comodo.com/Comodo_Firewall_Pro_2.4_User_Guide.pdf

for Clarification the error occured when clicking the download button on this page

Thanks for your link, it works.

Hopefully they will be able to get the links on the support site working.

You can also view the ‘Wiki’.