As in title. If you ctrl+click the value for overlay alpha and type 0, the game instantly crashes. The settings are also saved, so the game will no longer start until you manually edit d3d9.ini and change the alpha to something reasonable.
This was reproducible every time I tried in in CS:GO.
The administrator has disabled public write access.
Setting overlay alpha to 0 causes a crash.
2 years 4 months ago #2