martinlikecomputers

I regularly use AVG and yes you get the message about the memory but you don't have to act on the message. It is only there to give you the advice of the message. What the message means is that the internet page is using a lot of memory and that close the program could increase performance

When it comes to toolbar during installations. Many times you install a program and you get ask if you want to install the toolbar but sometimes you don't need to install them

The reply before are all correct. When you shutdown your computer it does not mean that you stop power reaching the motherboard. It has something to do with science.When your computer in plugged in to the wall you still a connect circuit but when you open the circuit meaning that power can no longer travel to the motherboard of the computer