Doings.info pop-ups are known to be attacking Google Chrome browser with the misleading suggestion about the necessity to download and install some suspicious extension into this specific browser. However, it is strongly advised that you do not proceed with such installations, since your browser may become essentially messed up and you will keep facing a lot of other problems. For example, your browser will be hijacked and the system will be functioning in an extremely sluggish manner. So, we strongly advise that you instead carefully refer to this guide below explaining how to fix your system in an effective way.