Had 2020b and then 2021a. Had a brief issue with 2021a, uninstalled 2021a and tried to reinstall 2021a but I keep getting an error message.

A copy of the error msg is attached..."Can't create output file: _temp_matlab_R2021a_win64\bin\win64\cefcommon.dll"

[Don La Piana]

The error message is the result of trying to reinstall 2021a.

[Walter Roberson]

Make sure you have enough free space on that disk.

[Don La Piana]

Hi Walter, thank you very much but, I have 250 gb remaining. I cleaned up the drive anyway, but it still did not clear up the prob. Thanks again. - Don

[Image Analyst]

Then presumably you used my Answer below. Truly, it's the fastest way to a solution.

Answer 1

[Image Analyst]

FAQ:

https://matlab.fandom.com/wiki/FAQ#During_installation.2C_the_installer_crashes.2C_hangs.2C_gives_an_error_message.2C_does_not_authenticate_your_license.2C_or_otherwise_does_finish_installing_correctly.