Re: Target cookies
The problem with this sort of issues is that there is no out-of-the-box solution.
First you need to identify its roots. Tools like HijackThis help in that regard. It will tell you e.g. if there are some curious registry entries. Or if there are some dubious IE add-ons and so on.
Once the cause is discovered you can start searching for the solution. Here is where different sort of anti virus / spyware tools come into play.