I am using Android Studio 1.1.0.
If the emulator launched by Android AVD in Android Studio uses a host graphics processor, the emulator runs smoothly, but I can’t take a screenshot because when I click here:

The following message does not close if I do not click Cancel:

Also , if I open Android Device Monitor and click here:

The following window will appear:

However, if I do not use the host GPU, the emulator screen remains black even if I check "Save snapshot for faster startup."
UPDATE
JonasCz, :
" GPU", :

" -GPU", , (, " Android" "Android DDMS" ):
