HKEY_CURRENT_USER\Software\SteamPopCap\PlantsVsZombies (or Zuma, or Bejeweled, or whatever game you are currently having problems with)ĭouble click to open the ScreenMode file and change ScreenMode to 0 Type 'regedit' into the Windows run bar or the search bar that appears when you click on Start in Windows The work-around I've found that works: (thanks to Prophet) To reiterate: This IS NOT a PopCap problem. Here is a work-around until Steam decides that paying customers are imporant.
Most PopCap games broke after the update yesterday.