Why do I get "There was an error downloading product files" with "Failed to download .enc, retry # 1" when installing MATLAB R2021b or later?

Why do I get "There was an error downloading product files" with "Failed to download .enc, retry # 1" when installing MATLAB R2021b or later?

(Sep 29, 2021 21:04:20) Failed to download C:\Users\%USERNAME%\AppData\Local\Temp\a4a0-05cc-315d-7c88\3p\apriltag_win64_1621049007.enc, retry # 1

Answer 1

[MathWorks Support Team]

This issue could be caused by few different things:

• Antivirus software
• VPNs or Proxy servers
• Firewalls
• Poor Network Connectivity

Antivirus Software

To temporarily disable your Antivirus on Windows:

1. Locate the Antivirus protection program icon on the Windows system tray.
2. Right-click the icon and select Disable, Stop, etc. to temporarily disable the program. In some cases, you may need to open the program and disable it using the program's menus.

 To temporarily disable your Antivirus on a Mac:

1. Locate the Antivirus icon found on your Mac menu bar.
2. Click Shut down or disable temporarily until installation and activation have completed.

To temporarily disable your Antivirus on a Linux:

1. Locate the Antivirus protection program icon on the Linux system tray.
2. Click Shut down or disable temporarily until installation and activation have completed.

VPNs or Proxy servers

Some Virtual Private Networks (VPN) or Proxy servers will interfere with the installer working correctly. If you have one, try disabling it and then running the installer again. Disabling it will vary depending on what VPN or Proxy server you are using. Refer to your VPN/Proxy Server's documentation if you are unsure how to do this.

Firewalls

You will need to contact your IT Help Desk if your organization is running a network firewall to configure it to bypass blocked connections to the MathWorks servers.

The MathWorks installer needs to contact MathWorks servers on the following ports and addresses:

• mathworks.com
• licensing.mathworks.com
• login.mathworks.com
• services.mathworks.com
• TCP ports 80 and 443

Your firewall needs to bypass blocked connections for both addresses over both ports. These servers do not use a Static IP Address and will resolve to a Dynamic IP Address. This means that users will not be able to white-list MathWorks servers via IP Address and will have to use the domain name. 

Poor Network Connectivity

This issue can occur when attempting to install MATLAB with a poor network connection. When the installer is attempting to download files, a failure to download a file successfully will show as a retry # attempt. The installer will make several attempts to redownload each failed file, but if still unsuccessful, will display an error.

To resolve this, check that your computer has a reliable internet connection or switch to a more reliable network. If the Installer is still unable to successfully connect, perform an offline installation.

How to install MATLAB on an offline machine?

https://www.mathworks.com/matlabcentral/answers/105854-how-can-i-install-matlab-or-other-mathworks-products-on-an-offline-machine

[Maverick]

I am not convinced that it's only the matter of connection quality/stability.

I have no reason to believe anything is wrong here on my side, yet the error persists (two attemts so far)

The crash occurs at 27% after downloading ~800MB of 3.5 GB.

Ubuntu 22.04

EDIT: version R2000b installed succsessfully - 1.2GB downloaded fine, though with a few scary hangs.

[Dávid Márk Borbély]

Same issue when trying to install R2022b on Mac 12.6, using a stable internet connection.

[Sooraj]

+1

[Tamas]

+1

[Elena Lilliu]

I get the very same problem when trying to install the trial version on my Mac 12.5.1. I can rule out the issue of an unstable connection, as the connection I am using is indeed very stable. I would like to be able to use the software before the trial period ends. Please @MathWorks Support Team can you help us address the issue?

[Jonathan Epperlein]

And same here. My internet connection is fine for everything else, only the Matlab installation fails telling me to check my internet connection...

[Mario Leeser]

+1

[Nicholas Carton]

+1

[Dana]

Same problem. No issue with my internet connection at all for anything else. This is clearly an issue requiring a fix on Matlab's end.

[Steve Bailey]

Same problem here. My network checks out fine.

[Marc Lalancette]

Indeed. Support says to check connection, but I don't have any other issue. Tried with different DNS. Mathworks needs to fix something. I get various errors in the log file:

• The downloaded product files are corrupted and cannot be used. Signature is invalid.
• HTTP request failed, Couldn't resolve host name. Could not resolve host: services.mathworks.com. (CURLcode=6)
• There was an error while extracting product files. ZIP bad CRC
• Failed to download. Exception in retry: Failure when receiving data from the peer. . (CURLcode=56)

Seems it's their side that's having issues and sending corrupt data.

[César Bertoni]

+1 . The same problem on Windows and Linux. I have a reliable internet connexion.

[Jonathan Epperlein]

I was able to install 2022b successfully today, so in my case, all I had to do was wait a week (see my post above) and I assume the problem was on the MathWorks' side, just took them a bit too long to fix it...

Anyway, just try again.

[JClarcq]

I also have this issue. Already since 2022a now again with R2022b. My internet connection is fast enough: 86 Mbps down; 26 Mbps Up.

Several of my colleagues have similar issue oversea or not.

Mathworks must find a solution.

[Magnus Davidson]

And I also have the same problem.

I have tried multiple installations, on different internet connections (including highly stable fully wired), online and offline process. But the error occurs at exactly the same point after downloading 1.46GB.

The log message is different for online and offline processes, but the filename is the same:

Downloader: runtime error Downloader: runtime error 403 for C:\Users\UserName\AppData\Local\Temp\ecd0-25ff-d9ce-f162\install_ddux_settings_win64_1652491669.enc

Mathworks support are still telling me that it is an unstable internet connection, but I do not believe that. I suspect it is a problem with the installer.

[Michael Cirovic]

I have the same issue as Magnus

EDIT: I fixed this by installing r2022a

Will try removing files from original install location

[Torben Hansen]

I tried today to install R2022b, and I get the same issue. Doing installing it is donwloading with 50Mbps on the wifi, so it cannot be the intentet wich is the issue.

[Yazan]

I had the same issue when I tried to install it twice. I tried hooking up an ethernet connection to my PC from my router and the installation was sucessful, if it helps anybody.

[Dean McCarthy]

I have attempted to install mutliple times now and it simply isn't working.

I attempted the online installation, it failed and directed me to this page. I'm 100% confident in my internet connection.

I have also now tried the offline installation with my downloaded licence and File Activation Key and it still does not work. Each time I'm directed to this same page for answers but yet there are no answers.

Can we pleaes get a proper fix for this?

[Dean McCarthy]

Can someone please tell me what I'm supposed to do in this situation?

If I try to install online I get:

If I try to install offline I get:

So I can't install on or offline. I've tried all solutions offered but nothing has worked.

[Marcin Adamczyk]

got the same problem - any idea what to do?!?!?

[Yannick CAIRE]

Same issue, it goes to 99% then I got an error message and it sends me here.

But looks like there is no solution, my network is good. it doesn't make any sense ....

Matlab please povide with a solution !

[Michele Giugliano]

Same here. Could it Mathworks problem "today" only? BTW: error messages are not very informative and likewise solutions.

Answer 2

[Ewen]

In my case this problem happened when I wanted to reinstall Matlab after I uninstalled it. And this was because I did not remove the remaining files in the directory "C:\Program Files\MATLAB\R2022b".

So if you uninstall Matlab, be sure that there is no remaining file in this directory before reinstalling it.

[승한 홍]

I've been struggling with this error for about a week.

But I just solved it!! thanks to you. Thank you very much.

[Ewen]

Glad that it helped you. Greetings

[Image Analyst]

For r2022b, if you have r2022b "pre-release" (beta) then you'll have to uninstall that first before you can install the official r2022b release.

[Kourosh Behzadian]

This is the corrent answer! Thanks

[Alemu Ayaliew]

ow thanks! which is the best solution.

[Andrew Lockwood]

This was my issue. Thank you.

Answer 3

[Edward]

My download speed reported on the installer is 40Mbps. How much faster should it be? I feel this is more a test of patience than anything else.

Answer 4

[Ahmed Ossama Delaa]

I'm getting the same error with both offline installation using the full-size desk image 21GB and web installation.

the deplyment not complete and close.

Answer 5

[Mateusz Tylec]

Did anybody solve this?

Answer 6

[Martin Murphy]

Tried on multiple different networks now. Nothing works. Please resolve..

Answer 7

[Alejandra Ventura]

Having this same issue, not working with online nor offline installation. Please resolve.

Answer 8

[Isaac Doe]

Please restore the installation

[Hildana Kebede]

How do I restore the installation after I clicked close on the download error

[Siew New]

Tried installing once more and it failed a second time after more than three hours. How can I get it to resume where it left off.

[Christopher Francis]

Hi Isaac is there a way to actually restore the installation? such that it proceeds from where it stopped before the connection interruption?

Answer 9

[Uriel]

I have the same problem, it says that I do not have enough capacity. Delete files along with changing the network, and the error still appears

[Nitin Phadkule]

same problem here. Realy tiring with installation.

Answer 10

[Marc Lalancette]

The source of these errors for me was memory errors. My memory settings (in the BIOS) were wrong. Maybe try running a memory test to see if it's your case as well.

Answer 11

[abdullrahman]

This issue can occur when attempting to install MATLAB with a poor network connection. When the installer is attempting to download files, a failure to download a file successfully will show as a retry # attempt. The installer will make several attempts to redownload each failed file, but if still unsuccessful, will display an error.

Answer 12

[Rajieev]

I was facing similar issue (lost the count how many times I tried) when was trying to install either only Matlab or Matlab and Simulink packages. When I selected another random package like System Composer the issue resolved for me. Think the issue is when you choose only Matlab or Matlab and Simulink Packages.

[Alemu Ayaliew]

I selected Matlab, Simulink and Simscape electrical packages.

[Rajieev]

Did it work or the issue persists for you ?

[Derek Berglund]

I am running into this issue now, trying to download matlab amd simulink. I am on my 4th total install and I cannot get passed this issue.

[Reza Khayat]

This solution worked for me as well on a Linux headless server (matlab_R2022b). Some packages require additional permissions that the installer lets you know of. Do not reques to install such packages and you should be able to proceed with installation. .

Answer 13

[Lilia]

This issue can occur when attempting to install MATLAB with a poor network connection. When the installer is attempting to download files, a failure to download a file successfully will show as a retry # attempt. The installer will make several attempts to redownload each failed file, but if still unsuccessful, will display an error.

[JClarcq]

Poor network connection is then on MathWorks side because I had the same issue from different computers with different internet providers. I think more that something has changed in the Downloader since R2021 which causes issue. As an example I could install R2017b without issue during the same period.

Answer 14

[Anika]

ok

Answer 15

[berkay]

berkay