Matlab doesn't open (it's installed and activated)

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Abhimanyu Talwar
Abhimanyu Talwar el 20 de Mzo. de 2019
Comentada: Kojiro Saito el 13 de Mzo. de 2024 a las 23:28
I'm on a Windows 10 machine. I had a well functioning Matlab 2018a installed and then suddenly it stopped working. When I try to open Matlab, it shows up in my Task Manager but the software just doesn't open.
I uninstalled 2018a, downloaded and installed 2018b and activated it, but it still shows the same behavior.
Can someone please help me? I've wasted hours of effort on this and can't make it work.
Thanks
  5 comentarios
paulo sigauque
paulo sigauque el 8 de Ag. de 2022
I had the same problem and your comment solve my problem.. Thank you for it...
venkat reddy
venkat reddy el 14 de Feb. de 2023
Thank you very Much

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Respuesta aceptada

Kojiro Saito
Kojiro Saito el 20 de Mzo. de 2019
Editada: Kojiro Saito el 14 de Oct. de 2019
It might be because MATLAB's prefdir is corrupted.
Please delete the following folders (previous prefdir)
  • C:\Users\YOUR_USER_NAME\AppData\Roaming\MathWorks\MATLAB\R2018a
  • C:\Users\YOUR_USER_NAME\AppData\Roaming\MathWorks\MATLAB\R2018a_licenses
  • C:\Users\YOUR_USER_NAME\AppData\Roaming\MathWorks\MATLAB\R2018b
  • C:\Users\YOUR_USER_NAME\AppData\Roaming\MathWorks\MATLAB\R2018b_licenses
and launch MATLAB R2018b again.
  22 comentarios
Alexandre
Alexandre el 13 de Mzo. de 2024 a las 19:31
i have the same problem... but in macbook air... can u help me?
Kojiro Saito
Kojiro Saito el 13 de Mzo. de 2024 a las 23:28
The default prefdir of MacOS is
/Users/$USER/Library/Application Support/MathWorks/MATLAB/<MATLAB Version>

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Más respuestas (10)

Arthur Warlop Piers de Raveschoot
Arthur Warlop Piers de Raveschoot el 23 de Nov. de 2019
thank you very much!!!

syed huzaifa
syed huzaifa el 16 de Dic. de 2019
thank you

Ramila Wijesuriya
Ramila Wijesuriya el 25 de En. de 2021
Thanks. It works !!

NN
NN el 9 de Jun. de 2021
I am facing teh same problem, but i couldnt find the APP data folder
  1 comentario
Ravi Gangani
Ravi Gangani el 15 de Oct. de 2021
'APP data folder ' is hidden forlder . you have enable 'show hidden folder' from folder option.

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Sakshi chawla
Sakshi chawla el 4 de Ag. de 2021
thanks..it worked

Ravi Gangani
Ravi Gangani el 15 de Oct. de 2021
thanks , yaa Its works

Ashenafi Tesfaye
Ashenafi Tesfaye el 10 de Ag. de 2023
These are some of the methods.
  1. Restart your computer and launch MATLAB again.
  2. Go to task manager and end the process if it is running without opening and displaying on the screen.
  3. Delete the temporary files
  4. Delete the AppData/Roaming/Mathworks/R20xxx.
All above listed ways could work but the 4th method is so effective.
That is it.

Harry
Harry el 14 de Nov. de 2023
I am having the same issue, but none of the solutions above help... What else can I try?

KODJOVI SENAM BORIS AHIANDIPE
KODJOVI SENAM BORIS AHIANDIPE el 21 de Nov. de 2023
I'm also having the same issue

Suryansh
Suryansh el 26 de Feb. de 2024
Hi, it is not helping
  1 comentario
Steven Lord
Steven Lord el 26 de Feb. de 2024
Please contact Customer Service directly using this link and work with them to determine why MATLAB will not open on your machine.

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