Java with Internet Explorer 11 incompatible?
After upgrading to Windows 8.1 you will find it impossible to use Java with internet explorer.
This is particularly bad for Oracle E-Business Suite that depends of the use of Java for its professional applications.
Problem Identification
You may get the warning:
Java(tm) Plug-In 2 SSV Helper’ from ‘Sun Microsystems, Inc.’ isn’t compatible with Internet Explorer’s enhanced security features and has been disabled:
Or you might just get stuck on:
In order to access this application, you must install the J2SE Plugin version 1.6.0_27…
Click tools: 
Manage add-ons: 
And it shows:
Notice I’m using the 64-bit Java plug-in here.
And it’s incompatible…
Do not despair – there is a solution.
Solution
Enhanced Protected Mode
Click tools: 
Internet Options: 
Select Advanced tab and scroll down to Security:
Uncheck “Enable Enhanced Protected Mode” as above.
Click OK and restart the browser.
In “Manage add-ons” you should now have:
If it is still disabled click on the Enable button: 
Compatibility View
Click tools:
Compatibility View Settings: 
Add current site:
Click: Add
Reconnect to your site.
You may get a pop-up warning – just click Always Allow:
And re-try.
In case it still doesn’t help, ensure:
- Only to install JRE 6.0.27
- In case you installed JRE 7.0.45 – when you open a R12.2 Java screen for the first time it will automatically install JRE 6.0.27. This is in spite R12.2 should have built-in support for JRE 7.0.45…
- Add site to: Trusted Sites
- Set security for Trusted Sites to Medium-Low
If it still doesn’t work it may be due to policy settings from your IT department…