I was trying to install Mujoco and run a simple script which is : import gym # openAi gym from gym import envs env_name = 'InvertedDoublePendulum-v2' env = gym.make(env_name) env.reset() for _ in range(1000): env.render() env.step(env.action_space.sample()) # take a random action env.close() However i encountered the following error: "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\bin\HostX86\x64\cl.exe' failed with exit code 2" Python version: 3.7.4 gym version: 0.21.0 I had downloaded the microsoft visual studio build tools 2019 and restarted the system but doesn't seem to help. Any help is appreciated. Continue reading...