To record Counter-Strike: Global offensive, go to the Properties of the game, and enter "-allow_third_party_software" like below:
Wikipedia: Counter-Strike / Counter-Strike Online
Please follow the steps below to record the Counter-Strike gameplay.
It's better to use 'Game Recording' mode to get a high quality video file
Note: For stable operation, Bandicam needs to be run before Counter-Strike game
You can control the FPS (Frames per second) under the 'FPS' tab of Bandicam. If you can't see the green number, click HERE
When you record online games with Bandicam Game Recorder...
You can upload the recorded file to YouTube WITHOUT CONVERTING.
You can RECORD OVER 7 DAYS without stopping (AVI 2.0 OpenDML).
The recorded FILE SIZE IS SMALLER (1/5~1/20) than other capture programs.
It has LESS LAG than other screen capture software (Bandicam uses less CPU/GPU/RAM resources).