This is my problem. I do not know what type of Avg antivirus product my senior install at my pc but the avg is broken. Everytime I open AVG, it ask me to enter product key. So, i try to uninstall it from control panel but it was failed. I also use AVG_Remover.exe and the it was succesful but AVG web tune up is still there. And when I try to install the free one, it also failed. What i am supposed to do? My PC right now keep jammed and I need to restart my PC everytime it happen. I already check all hardware and software problem and only AVG is left. Can someone help me?