I was called by a friend to help find out, why his PC had become considerably slow, took ages to react and so on. Whereas there are a number of factors that may contribute to that, it might be a
Emsisoft Emergency Kit (free)
If your PC is infected with Malware (malicious ware), defined in Wikipedia as “… any software used to disrupt computer operations, gather sensitive information, gain access to private computer systems, or display unwanted advertising.”, a good and painless solution is