Simulink 2021a not working

5 次查看（过去 30 天）
Swapnil Ghugal
Swapnil Ghugal 2021-6-3
回答： Vidhi Agarwal 2024-2-20
I recently upgraded to Matlab2021a from Matlab2019.
When i installed and activated the software, Simulink is not responding !
When I try to open the backup models, the UI opens without any Blocks in it.
I tried getting direct support from Mathworks team (Assigned to our account) , I have no response yet.
After waiting patiently for help from Mathworks team , I finally uninstalled it , cleaned up the traces of 2021a and re-installed it again.
I am still facing the same issues.
I also tried to upgrade my JAVA engine...
No success from any of the above..
Now seeking support from Mathworks Community !
  2 个评论
Arjun Shanmukam
Arjun Shanmukam 2021-6-14
编辑：Arjun Shanmukam 2021-7-5
I have the exact same issue as well. Hope someone can help us out.
*EDIT* 05.07.2021 I tried uninstalling it and re-installing the 2021a Update 3 version and it works without any issues. Remember to delete the entire R2021a folder.
jaivik kumar
jaivik kumar 2021-6-28
i am running 2021a matlab everytime i try to open simulink a error message pop up and says
1.C:\Program Files\MATLAB\R2021a\bin\win64\builtins\sl_main standard procedure could no be found state not recoverable
2.u.i proxy server missing
please help me

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回答（1 个）

Vidhi Agarwal
Vidhi Agarwal 2024-2-20
Hi Swapnil,
It appears that you are encountering difficulties when attempting to open Simulink models created in MATLAB R2019 using the newer MATLAB R2021a version.
This issue can be related to antivirus in the system. Reinstalling MATLAB should resolve the issue.
If this done not resolve the issue, try performing a clean reinstallation of MATLAB following the MATLAB Answer below:
http://www.mathworks.com/matlabcentral/answers/131519
If you still experience issues, you can contact MathWorks Support at: http://www.mathworks.com/support/contact_us/

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