What is a good clean anti spyware revoval software?

I provide tech support (some of you may know this due to other questions asked) and if i need to find something this seems to be the fastest way to find things without too much trial and error. I tried using malware bytes over the phone and it wasn’t very successful so another program is in order. So please only post with programs you personally know works. thanks. 10 pts to whichever one i use ^^
oh and it has to be free**

There are top ten the best and newest anti-spywares.
–Top Ten Anti-Spyware Software Review– link:

<--http://toptenantispyware.com/
All can be trusted and you can download one to protect ur system.

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