If you are having a query about how to deal with Windows security pop-up won’t go away then the first solution available is to force close the pop-up window. The basic method for shutting down the program might be used to close a pop-up window. To force close the pop-up window on the computer, press the Alt+F4 keys. If the pop-up window won’t go away of a minor technical issue, then force-closing then ensure it doesn’t show up again. However, if the error is caused by several factors like file corruption, system malfunction, and malware attack.