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Can't run or uninstall MATLAB

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I have already contacted tech support on this but I figured I should post this here in case someone else has a problem later. Basically my computer runs 64-bit and I am trying to launch the R2018a version of MATLAB. It's already downloaded and installed but it won't launch due to java errors involving sun.awt.win32Fontmanager. Tech support recommended uninstalling and downloading a R2015a version or later but when I tried to uninstall its giving the error "Installer Error Exception Calling Main". This is where I'm at now with this. If any of you have a solution it'd be appreciated, I'm still waiting on a response from support.

Accepted Answer

PALASH MONDAL
PALASH MONDAL on 25 May 2018
If you are not able to uninstall it from Control Panel then, try to uninstall it from Program file of C drive. Go to the "C"--> Program files--> MATLAB (Browse your matlab file here), and delete the file from here. You can go inside also of R2018a and there will be a uninstall file you can do it from here also.
  2 Comments
Bruce
Bruce on 29 Jul 2020
maybe no stray files but lots of drek left in the (already bloated) windows registry.

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More Answers (1)

Eduardo Calles
Eduardo Calles on 2 May 2021
I cannot even uninstall the software. I ran into some errors while accepting a Matlab update, that's why I am trying to uninstall it, but now I am getting this error. Can somebody please help. This is very fustrating.
  3 Comments
Santiago Jose Flores Siguenza
Santiago Jose Flores Siguenza on 7 Oct 2021 at 15:01
Did you find any solutions? I downloaded 2021b and therefore tried uninstalling 2020b afterwards. I keep getting the same error as in the image (for me it is ...\segments_i) but now I cannot even run 2020b.
2021b works fine though.

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