JAVA security issue (JAVA Content Blocked)

Recently I've been troubled by this JAVA issue, even with exception added, security set to medium, the content is still being blocked. 

Please uninstall ALL JAVA 1.8 from program & features. 

Then set the security to medium from JAVA PATH > javacfg OR Control Panel -> JAVA -> security tab. 

Or add the exception.  

If JAVA 1.8 exists, the security setting will keep resetting to high. 

Does not guarantee info correctness. 

Thanks.