What does a Yellow bar “Warning: Applet Window” mean?
If a yellow bar containing the message “Applet Warning” appears along the border of any of the Java screens, there is a connectivity problem. Most commonly, users can’t cut & paste between Oracle Applications and PC software, like spreadsheets. Jinitiator should be removed and reinstalled. Click here for instructions for Re-installing Jinitiator. Lost mouse navigation: A reported error was that while navigating around in Oracle Applications, the mouse disappeared, yet the control arrows still worked. The solution was to Clear JAR CAche.