Microsoft Pop-up Scam Helpline number +1 (844) 886-3118 These Pop-ups usually appear when you download any software from unauthorized sites. As you download the software, then there are many malware, adware and virus that also get downloaded with the software. These adware and malware further start appearing as pop-ups windows on your system and as soon as you click on it to close or remove, then either other windows appear or any unwanted software automatically get installed in your system. These are so annoying that you cannot close it and you completely become unable to access your system, so here you need to close it in a proper way.