How to Get Rid of all Types of Spyware, Pop-ups, Virus, etc

I work for a very large company as a PC repair engineer. We have offices in almost every state, yet I can fix almost every software related pc problem remotely. We use Dameware Mini remote control to remotely access each PC, which are all connected via a large wide area network.

When a user calls me, I ask them for their IP address. If they do not know what that is, I explain to them, what it is, and how they can get it, via the