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Why can i not open pop up windows ?

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When trying to play games on Yahoo I get error message- application blocked by security settings- I have uninstalled Java and reinstalled the latest version.

When trying to play games on Yahoo I get error message- application blocked by security settings- I have uninstalled Java and reinstalled the latest version.

글쓴이 rq40 수정일시

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In the message that comes up, what is the explanation given for the security block? I assume it's not the one about needing to update Java. Could you either post the message or a screen shot of the message in a reply?


The latest update to Java introduced some stronger security restrictions, so that might explain it. You might have noticed in the past a little warning in the dialog where you approved the page's Java applet to run that it was unsigned or some other issue. Those unsigned applets now are completely blocked if you have set "High Security" in the Java Control Panel.

Try clearing Firefox's cache, and emptying the Java cache before relaxing Java security.

(1) You can clear Firefox's cache completely using:

orange Firefox button (or Tools menu) > Options > Advanced

On the Network mini-tab > Cached Web Content : "Clear Now"

If you have a large hard drive, this might take a few minutes.

(2) To clear the Java cache, first open the Java Control Panel (in the Windows Control Panel in the Programs category, at least on Windows 7)

Then see this article for details: How do I clear the Java cache?

The reload the page and see whether Yahoo! offers an updated applet that doesn't have the security problem. Any luck?


To check/change your security level, open the Java control panel, then see this article for more information on the slider and where you can enter site exceptions: http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/jcp.html#security

You might try this:

(1) Move the slider to Medium temporarily

(2) Reload the Yahoo page and see whether you get a dialog to approve the applet and save the site as an exception

(3) Move the slider back to High after saving the exception, assuming you trust the source

Does that work?


References:

글쓴이 jscher2000 - Support Volunteer 수정일시

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In another thread, a volunteer posted this link that describes all the different Java security messages, what they mean, and if there are options for making site-specific exceptions. Hope this helps:

What should I do when I see a security prompt from Java?