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Fail to install R2019b update 4. After the failure I cannot start MATLAB due to libmwfl.dll and icuio61.dll missing.

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binhao qin
binhao qin on 23 Feb 2020
I tried to uninstall matlab and install again, but due to the missing dll, I cannot uninstall matlab. How can I solve the problem?
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Answers (2)

Harood Nishat
Harood Nishat on 19 Apr 2020
A better way to solve the issue, instead of unistalling the program is, go to start search for "%temp%" , this will let you open the temp folder, search "dll" files in that folder, copy all the dll files to C:\Program Files\MATLAB\R2019b\bin\win64, and this should solve the problem.

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"
  1 Comment
binhao qin
binhao qin on 4 Mar 2020
I have solved the problem. The installation folder must be removed manually and a new installer need to be downloaded. Thank you.

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