The internet is full of threats and with this comes to a commonly mentioned threat known as Potentially Unwanted Programs known as pups.
These programs bleed your computer of resources by slowing down your system and in some cases infecting your computer with unwanted programs and software.
The threats are very real and not many antivirus and malware companies consider this a problem yet. Here is more information on why pups exist and the reason why you should always remove them from your computer.