Disclaimer: I copied the title literally from
this blog post.
And that is all I want to say here;
this article is simply a MUST READ if you ever had
PuPs installed or had to call me because everything got so slow or whatever problem you had.
95% or more of all computer problems I encounter nowadays are initially caused by a
PuP! The authors of these PuPs have gotten
very clever and constantly invent new tricks to dupe the unsuspecting computer user.
Only permanent
vigilance, caution and attention
to detail can ultimately somewhat protect us and
our computers.
Please note the use of the word "somewhat" in the previous paragraph!
For the first time ever I will directly recommend a piece of commercial security software.
If you want the IMHO best automatic protection against all kinds of malicious programs including PuPs then you will have to pay some money, currently just shy of $40 per year for a single computer. You find details about Emsisoft Anti-Malware here.
Another disclaimer: I am in no way at all associated with Emsisoft or any of their distributors or resellers!
If you don't want to pay that is fine, you just have to DIY (do it yourself). MSE or Defender in conjunction with Malwarebytes Free will do it just as well but you have to regularly do more yourself.
Whether you want to pay for Emsisoft Anti-Malware or not doesn't really matter, IMHO you simply HAVE TO READ this article.
Stay safe.