Tencent is a China based company Tencent PC manager is a free antivirus which uses Tencent cloud protection engine, Tencent Antivirus engine, Bitdefender antivirus engine and Tencent system repair engine It is very light on system resources. The manual scan uses all the four engine regardless of settings done by user. Good for novice computer… Read More Tencent PC Manager 11 : Review + settings