It is imperative to read every single documentation that comes with software you install, on the off chance that you may come across software that you don’t want in your system. You will not be able to complain or even sue a software maker for malicious or unwanted software if they have specifically stated its presence in their TOS agreement, and you have agreed to it.

Additionally, it is essential that you install an anti spyware program in your PC. Your best bet is with big name commercial anti spyware programs but there are also totally free spyware removal tools that work as well. But be careful since other malicious software that pose as anti-spyware. Remember to read the fine print