Unable to install professional license of cvx

i am getting the following error ,when i try to install the professional license of cvx

CVX: Software for Disciplined Convex Programming ©2014 CVX Research
Version 3.0beta, Build 1183 (dda2109) Sun Dec 17 18:58:10 2017

Installation info:
Path: D:\admm\cvx\cvx
MATLAB version: 9.9 (R2020b)
OS: Windows 10 amd64 version 10.0
Java version: 1.8.0_202
Verfying CVX directory contents:
WARNING: The following extra files/directories were found:
D:\admm\cvx\cvx\C. L. Wadhwa - Electrical Power Systems (2010, New Age) - libgen.lc.pdf
These files may alter the behavior of CVX in unsupported ways.
Loading preferences:
Global: D:\admm\cvx\cvx\cvx_prefs.mat … not found.
Local: C:\Users\IIT\AppData\Roaming\MathWorks\MATLAB\cvx_prefs.mat … loaded.
ERROR: ------------------------------------------------------
Error using cvx_license
License file “/path/to/license/file/cvx_license.dat” does not
The installation of CVX was not completed. Please correct the error
and re-run CVX_SETUP.

Have you checked where your license file is? I recommend installing CVX 2.2 rather than 3.0beta, which is riddled with bugs.

If you still haven’t resolved it, I recommend requesting assistance at http://cvxr.com/cvx/doc/support.html#bug-reports , because unfortunately, I don’t think you will get further assistance on this on this forum