Jsr.jsdriver.net popups are displayed on your screen by the adware program that can be installed on your computer together with some freeware (video recording/streaming, download-managers or PDF creators). These fake messages suddenly appear and tell you to update your Flash Player. Do not hit these pop-ups because it is a trick prepared by hackers. The notifications have nothing to do with the real Flash Player. If you click on these pop-ups you will make your computer vulnerable for the dangerous virus invasions. Also you may be diverted to some insecure sites you have never wanted to go. Jsr.jsdriver.net pop-up service is developed to increase the revenue from advertisements and attract traffic to some insecure sites. This adware usually compromises Internet Explorer, Google Chrome, Mozilla Firefox and other browsers as well.