Error while uninstalling or re-installing

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Hi, after downloading and installing 2019b version I tried to uninstall the 2019a version but I get the following error message:
So i tried to re-install the older version in order to "repair" the installation and then uninstall but I get the SAME error. What can I do?

Answers (2)

Elia D'Orazio
Elia D'Orazio on 11 Feb 2020
Edited: Elia D'Orazio on 11 Feb 2020
Hi Hao Lau, I solved by deleting the matlab folder D MATLAB R2019b. Then, in order to perform a complete uninstall, go to control panel and uninstall matlab 2019b (to delete the remaining files).
Elia D'Orazio
Elia D'Orazio on 11 Feb 2020
Deleting the installation folder is the same of uninstalling (but normally is preferable to do it from control panel)

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Roshni Garnayak
Roshni Garnayak on 4 Mar 2020
If the MATLAB uninstaller was unable to complete, try executing the uninstall.exe from $MATLAB\uninstall (where $MATLAB is the folder where MATLAB is installed). For example:
C:\Program Files\MATLAB\R2014a\uninstall\bin\win64
If you are unable to complete the uninstaller, you can try the following workarounds:
1) Re-install MATLAB and overwrite the current MATLAB folder. This will re-create uninstall.exe and should allow you to uninstall once complete
2) Manually delete the MATLAB installation folder.
Aside from removing the installation of MATLAB, you can remove the MATLAB entries from the Windows System Path. For help modifying the Path in Windows, see the related article:
"How do I set my system path under Windows"


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