What is plsofterr.com
Plsofterr.com pop-up page is offered by malicious plugins on your browsers. It suddenly comes to recommend a Player, no matter if the page you are browsing needs media playing or not.Actually this is a fake message which misleads users to download some low-quality programs from it, then the creator can earn pay-per-downloaded revenue.The related adware is responsible for the fake message. Your browsers' setting can be modified without your permission, and such malicious pop-up comes as soon as you open your browser or a new tab. The modification was probably done by malicious sites you visited, or malware and trojans in your computer. Anyway, what you need to do is to remove the adware and clean up your browser in right ways.