The number of open pop-up windows on a client workstation, combined with a high usage volume and long session timeouts, can affect the amount of memory used on the Java Virtual Machine (JVM) of the application server. Popup windows are used for workflow step processing, eForms, search windows, confirmation prompts, and other actions. If memory usage on your system is a concern, you can limit the number of pop-up windows that the application can open concurrently.
To set the maximum number of pop-up windows: