Service Error in '/' Application while signing in to download adds on
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Hi everyone, I'm using MATLAB R2021b and I need to install Optimization Toolbox to run a code. I was trying to get it fron the Adds On section (both clicking into the suggested link of the error in the command window, and re-doing seaching it among the adds on). Everytime I try to log into my account this bumps out after fill in the email
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1438723/image.png)
Anyone has any idea?
Many thanks!
Angela
3 Comments
Lorenzo Cattaneo
on 13 Sep 2023
Hi Angela,
Thank you very much for your help, I also solved the problem by updating MATLAB to version 2022b. It seems that older versions have some licensing issues, as you mentioned!
Lorenzo
Answers (1)
Piyush Dubey
on 5 Sep 2023
Edited: Piyush Dubey
on 5 Sep 2023
Hi Angela,
In my understanding, you are trying to access the Add On section of MATLAB and are unable to login. Whenever you try to log in to a MATLAB server an error pops up.
In the given scenario it is likely that your computer’s security software is blocking MATLAB from opening web-based features on the ‘Add-On Explorer’.
Please refer to the following MATLAB Answer threads where a similar issue has been addressed:
Hope this helps.
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