Trojan scan

[Avid]

Tried that one from astonsoft and it found something
backdoor that i couldnt find any info on there site
or google? backdoor.nc23?
So...any good reputable trojan scanners that will
work problem free on an xp machine? so i can
get a second opinion?

[gatekeeper]

did you try yahoo search ?

[Avid]

not yet.
i just downloaded tauscan gonna try it