License Checkout failed License manager Error -9

Username doesnot match user name in the license file

[Walter Roberson]

reactivate. Make sure you use your Windows user name, not your email and not your Microsoft Live name

Answer 1

[Hans Scharler]

Try this Answer: https://www.mathworks.com/matlabcentral/answers/99067-why-do-i-receive-license-manager-error-9