Nek.makemac.net is a pop-up window which might periodically, or even quite regularly show up in your browser when you go online. The truth is that this nasty pop-up is caused by the activity of some adware program on your PC, such as Buzzit as an example. There can be other adware programs causing the same pop-ups in your computer. These many pop-ups are very misleading and may infect your computer even more. So, we recommend you to get rid of them, and in this guide we will explain to you how this can be effectively done.