Problems with Java and Installer

Hi, I'm really waited for months since my Java blocked the app for online browser. Any suggestions? Thanks.
Oh and one more thing. The installer for Windows is busted for me, I only used Windows 8.1 and Java 8.0.

Link to a problem

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If you get such message (of course in your language):

Then you have to go to the Java Control Panel to change the security settings.

In Java 7 & 8, the Medium security setting was removed. If High and Very High are available, are there other ways to solve this problem?

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Source: http://superuser.com/questions/820158/d ... ty-prompts

That could work. Thanks.