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Why does the MATLAB installer fail with an error related to a lxe_win64 or .enc file?

When installing MATLAB on my machine I get an error like the following:
The following error was detected while installing lxe_win64:
Missing Entry: lxe_win64_1368859906.enc
OR
"Missing Entry: lxe_common_1384906630.enc
Would you like to retry installing lxe_win64/lxe_common? If you press NO, the installer will exit without completing the installation. More information can be found at C:\Users\<user_name>\AppData\Local\Temp\mathworks_<user_name>.log

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1 Answer

Answer by MathWorks Support Team on 14 Feb 2019
Edited by MathWorks Support Team on 14 Feb 2019
 Accepted Answer

There are a few reasons why you may be getting this error. Please try the following steps to resolve the issue..
1) This error can also be caused by an anti-virus or security program interfering with the MATLAB installer. Please try disabling any anti-virus you may have running and then try to install again.
2) The files that you downloaded may be corrupt or incomplete. Delete all of the installation files on your system, and download your products again from your MathWorks Account.
3) There may be an issue with the target installation directory. You will want to try installing into a new directory that did not previously exist on the system.
NOTE: Please remove the folder in the following path as well: C:\Users\<username>\AppData\Local\MathWorks\MATLAB\R20XXx
4) If you installed a prerelease of MATLAB, cancel the installation and remove the existing prerelease installation. Once the previous prerelease installation folder has been removed then start the installer again.

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