Fatal Error on Startup while trying to run the program

I have installed the MATLAB, for almost 3 years, and I'm working with it every day. Today, when I tried to launch the MATLAB R2021a, I encountered the following error:

Fatal Error on Startup

std:exeption:: input stream error

What should I do to resolve this issue? I am really in need of help

Answer 1

[Animesh]

Hi @Mhmmd Sjj,

This error might occur if MATLAB becomes corrupted. It is also possible that security software is interfering with MATLAB. To resolve this issue, try disabling any security software or adding exceptions for the MATLAB application, and then perform a clean installation of MATLAB.

https://www.mathworks.com/matlabcentral/answers/131519-how-do-i-perform-a-clean-installation-of-matlab

The following MATLAB answer might be of help:

https://www.mathworks.com/matlabcentral/answers/400735-why-is-there-a-fatal-error-on-startup-when-launching-matlab