MATLAB Answers


How to resolve a network connection error when downloading support packages?

When using Support Package Installer to download a support package from the Internet (e.g., BeagleBoard, USRP, LEGO MINDSTORMS NXT), I encountered the following error message:
“Cannot download [URL] : Error downloading URL. Your network connection may be down or your proxy settings improperly configured”
How do I resolve this?

2 Answers

Answer by MathWorks Support Team on 15 Jun 2018
 Accepted Answer

There may a brief outage with a non-MathWorks web server hosting third-party software needed for the support package. Please cancel the installation and try again later.
This error can also occur if your network has a proxy in which case, please refer to the following answer on MATLAB Answers page.
If the problem persists, contact MathWorks technical support by submiting a Service Request here:


I am not connected to a proxy server, yet the above problem persists?
Tanmay, please contact MathWorks Technical Support.

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Answer by Rolfe Dlugy-Hegwer on 19 Feb 2014

Some antivirus software blocks or delays large downloads for support packages. Please pause your antivirus software. Then restart the process of installing the support package.


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