Unable to retrieve products

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Commented: Walter Roberson on 28 Nov 2020
Walter Roberson
Walter Roberson on 28 Nov 2020
That error message can never occur for the tagged product, "Extended Symbolic Math Toolbox". The Extended Symbolic Math Toolbox was not available after R2007b, but MATLAB Answers was not opened until 2011, so no installer for Extended Symbolic Math Toolbox would have referred to MATLAB Answers.

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Answers (1)

salwa rhazi
salwa rhazi on 28 Nov 2020
Please did you solve this problem ??
  1 Comment
Walter Roberson
Walter Roberson on 28 Nov 2020
The four most common causes for this problem are:
  • Windows Firewall is blocking network access
  • McAfee or Symantic or other anti-virus software is blocking network access
  • proxy problems
  • access to Mathworks is blocked by country-wide firewall, such as in China

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