[ZenDesk down loads being blocked. “inject script into web traffic to interact with web pages “]

if the script inject is disabled the down loads work fine, yes if i stop the service i can download the files 

 

[ZenDesk down loads being blocked. “inject script into web traffic to interact with web pages “]

When trying to down load from Zendesk I get an error and it does not down load.

Zendesk have advised that “inject script into web traffic to interact with web pages “ should be un checked. but I cant find this setting