I could not remove “Window PC Repair” pop-ups in Google Chrome. It hijacked all my browsers, including Firefox. How I can solve this problem? This happened to me after installing a free software.
Please follow these steps http://www.myantispyware.com/2016/03/16/remove-window-pc-repair-pop-up-ads-from-chromefirefoxie-and-edge/
Once completed, reset your browser’s settings to default.