Disable Java Automatic Update first method is by Control panel Second is via registry editor for GPO

• Find the java control panel javacpl.exe here:

C:Program FilesJavajre6binjavacpl.exe

…right click > run with admin privileges.
Uncheck java update, save and then reopen it to check that the setting is sticking.

• You can disable the update using the registry key,

  HKEY_LOCAL_MACHINESOFTWAREJavaSoftJava UpdatePolicyEnableJavaUpdate 

  or if your using 64bit Windows

  HKEY_LOCAL_MACHINESOFTWAREWow6432NodeJavaSoftJava UpdatePolicyEnableJavaUpdate 

  Set to 0 to disable this key.

  The advantage of this method is that it disables it for all users.