GPG Error while downloading software: "Clearsigned file isn't valid, got 'NODATA'" [duplicate]

Question

After installing Ubuntu 13.10 I try to install ubuntu-restricted-extras or any software, it shows me:

E: GPG error: http://archive.canonical.com saucy InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication

I am presently bumping into a similar issue with the CRAN repository. I am connected to a home network. — Luís de Sousa, Jan 1, 2016 at 17:22

d a i s y · Accepted Answer · 2017-03-06 07:25:38Z

3

Does the network require authentication?

Actually I had the same issue. This caused by the network proxy and you have to check your network connection settings.

d a i s y

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answered Dec 11, 2013 at 6:29

Manee Osman

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1

I get this error if I am some public wifi and have not opened a web browser and agreed to the terms of service.
– Bert
May 3, 2014 at 16:22

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