"Sharon Morton" <smorton@gmail.com> wrote in message
news:y2i6r16alyzw.98ac4lc7jdrx$.dlg@40tude.net...
> Anyone have insight into this Yahoo mail browser popup alert?
>
> Alert
> altfarm.mediaplex.com has sent an incorrect or unexpected message.
> Error Code: -12263
>
> I get this every day with Firefox on WinXP in my yahoo email.
>
> I googled but mediaplex doesn't seem to be out there much. Why would just
> I
> get this yahoo-related error message?
>
> I do use a huge hosts file I got from the internet that blocks all sorts
> of
> media stuff.
>
> Here are the mediaplex lines:
> 127.0.0.1 mediaplex.com #[eTrust.Tracking Cookie]
> 127.0.0.1 adfarm.mediaplex.com #[Adware.Meplex][Adware-DesktopMedia.dr]
> 127.0.0.1 altfarm.mediaplex.com #[may affect eBay][MVPS.Criteria]
> 127.0.0.1 img.mediaplex.com #[Ewido.TrackingCookie.Mediaplex]
> 127.0.0.1 img-snv.mediaplex.com #[Tenebril.Tracking Cookie]
> 127.0.0.1 www.mediaplex.com #[SunBelt.Mediaplex.com]
>

Add altfarm.mediaplex.com to your hosts file.