Emulator

What's the problem?
When DX9 Plugin is selected, Dolphin crashes when loading any game.
When OpenGL Plugin is selected, a 1/2 second black screen appears before loading the game. The same appears after ending the game.

Dolphin version with the problem (as it appears in the title bar, Ex.: "R
4779" or "R 6403M"): R 6790

(optional) Dolphin version that does not have the problem: all versions before 6748.

Operating system and version: Windows Vista SP2
32-bit or 64-bit: 32 Bits

Game ID (as it appears in game properties, Ex.: "GZ2P01" or "RSBE01"): All games

Build command-line (not on Windows):

Was the ISO a plain dump from disc, compressed and/or scrubbed? /

Please provide any additional information below.
This problem didn't appear in previous versions.