Thx all for help, little me will continue with my testing, hehe

Just one last Q. Do some one know some "non install AV" like
http://www.sald.com/ >>>>> http://www.sald.com/get.html ???

I know just (online scan) sites and some scanners like
http://www.avast.com/i_idt_1060.html
http://www.mwti.net/antivirus/free_utilities.asp

No need install, simle AV can be good to uses in critical situation.
It helps me when I repairing others (my friends PCs) computers

THX ALL for help one more time