Microsoft is after scareware makers

I think that everyone of us has seen popup "warnings" while surfing that can for example say "you have 350 errors in your registry. click here to fix them".

Most of those programs advertised in those popups are either useless or rogues.

Washington Post writes that Microsoft will sue Branch Software because of their Registry Cleaner XP.

Other scareware programs that Microsoft is interested about are Antivirus 2009, Malwarecore, WinDefender, WinSpywareProtect and XPDefender.