I can't open matlabR2025a after installing it

493 views (last 30 days)
Potter
Potter on 30 May 2025
Commented: Iewan on 28 Aug 2025
After installing matlabR2025a, it gets stuck on the startup page. Trying to reinstall and delete the folder under Roaming does not solve the problem.
  9 Comments
Evan
Evan on 29 Jul 2025
Any update on how to solve this? I'm encountering the same issue. Sometimes the blue Matlab window doesn't even appear.
Image Analyst
Image Analyst on 29 Jul 2025
No, @magie nor @Potter never came back to tell us how tech support solved it. But I'm sure you will, right @Evan? Please call them and let us know what they said.
@magie, are you still alive? How about you @Potter?

Sign in to comment.

Answers (2)

Evan
Evan on 6 Aug 2025
This is the response I got from MathWorks Support and just the first 7 steps worked for me. Not sure why a clean install wouldn't work but here you go!
"Thank you for contacting MathWorks Support.
If you haven't done so already, please restart your computer and try to regenerate the MATLAB preferences directory by following these steps:
  1. Close MATLAB
  2. Press the Windows Key + R on your keyboard
  3. In the newly opened window in the bottom left corner of your screen type in the following: %appdata%
  4. Press Enter on your keyboard. This should bring you into folder named "Roaming".
  5. Navigate into the "MathWorks" folder and then "MATLAB" folder.
  6. Rename the folder for your release of MATLAB, e.g R2025a to R2025a_old. Do not remove any folder that ends with "_licenses".
  7. Launch MATLAB
If the issue is not resolved after doing this, try launching MATLAB with each of the below commands from Windows's Command Prompt:
matlab -nojvm matlab -softwareopengl matlab -nodesktop
If "matlab" is an unknown command, use the command below to navigate into the MATLAB installation directory first:
cd "C:\Program Files\MATLAB\R2025a\bin"
If MATLAB starts with the -nodesktop flag, try typing 'desktop' after opening MATLAB in the command prompt to see if it will open in the full graphics mode. If MATLAB starts in either of these modes, this likely indicates a problem with your Java configuration. You can check to see if there is a MATLAB_JAVA environment variable that may be changing the JVM that MATLAB is using. If this variable exists, try removing it. For additional troubleshooting steps to take if the issue persists, please see this article:
Why will MATLAB not start up properly on my Windows based system?
"
  2 Comments
Image Analyst
Image Analyst on 6 Aug 2025
@Evan, thanks for posting the procedure that gets it working again. I'm sure it will help others in the future. 🙂
Iewan
Iewan on 28 Aug 2025
Thanks for the help @Evan.
Can confirm the first section fixed the same issue on my side.

Sign in to comment.


Maurice
Maurice on 27 Aug 2025
This might be a one-off solution, but just starting the "Activate MATLAB R2025" start menu app or "MathWorksProductAuthorizer.exe" and activating matlab that way worked for me. Then I could start MATLAB R2025 the normal way.
(Win 10 Pro user)

Categories

Find more on Startup and Shutdown in Help Center and File Exchange

Products


Release

R2025a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!