> > > i run the tool, then i press set; then after that it says cannot update host files, do you guys know why?

> > Very likely your hosts file is marked read only. Anti-spam software tend to cause that.

> > Find the file, right click it, select attributes, untick Read Only.

> do you mean popup blockers?

Not only those, but spyware removers/monitors as well.

Was the file read-only (important part)?

meselfs himself!