ERROR
In Oracle Applications R12.2.x – Forms does not show any menu or you cannot perform any action in forms
SOLUTION
Step 1. In Windows 7 (64 bit), go to C:\Program Files (x86)\Java\jre6\lib\security, and Open the file named ‘java.policy‘ in notepad and add these lines to the beginning:
grant { permission java.security.AllPermission;};
Step 2. Save the file.
Step 3. Close The Internet Explorer
Step 4. Clear Cache
Step 5. Retest the Issue.