Yes, it is possible to increase the suppress popup limit from 15 minutes to a longer duration using the registry editor.
Increasing the suppress popup limit in the Windows Registry Editor involves making changes to the Windows operating system's settings, and it's not recommended unless you have a specific need and understand the potential risks. The "suppress popup limit" typically refers to the interval during which Windows will suppress repeated pop-up notifications from the same application. While it's possible to make changes in the Registry Editor
get more info