![Firefox logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png)
after agreeing to replace the older version it says it can't do so as Firefox is in use, what do I do?
cannot complete the installation of Forefox
cannot complete the installation of Forefox
cannot complete the installation of Forefox