Hi, I've faced the same problem recently and here is a solution :
Search "java control panel" in your OS search engine, or "java" depending on your own language :
Then, go to the security tab and click on "edit site list", add the 2 subdomains as follow :
Now IGP and Jack have access to all of your passwords and hidden folders :)
In other words, the website is trusted enough and you should not have problems with java and igp now.