Upgradebestfreshtheclicks.icu stands for a new fake alert that currently attacks many computers and Mac systems in particular. These pop-ups always try to scare you into thinking that your computer requires some update of Adobe Flash Player. The reality is that these pop-ups are produced by adware in your computer. The adware tries to force you into downloading and installing plenty of malicious applications into the workstation. Please do not tolerate these alerts but rather carefully follow this guide that explains how exactly to fix your system in an automatic manner.