Unfortunately not everybody loves BF1942 as much as we do. Some find it 'cool' to distribute non-official/working patches. So here it comes: Watch out for blood-patches! There's one around, which steals your cdkey and distributes it to whomever wants a CD-Key for his... illegal version.
So please people, don't download anything you don't trust.
News source: Battlefield: 1942 Nation