Game window minimising all the time

Hello everyone,

Hopefully there's someone on this forum who can help me with my problem.
When I start up Dungeon Keeper 2 or Diablo 2, the game window keeps getting minimised to the taskbar. When I click it, it automatically minimises again.

Does anyone know what to do about this?

Close any background programs like IM.

hi i want Dungeon Keeper 2 and 1