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Sage on Windows 10 becomes corrupt

asked 2020-07-09 16:13:58 +0200

Cyrille gravatar image

updated 2020-07-15 00:31:50 +0200

slelievre gravatar image

Since yesterday, I have the following problem : my notebooks cannot be connected to Sage. I have completely erased Sage and Python of my computer and then reinstalled them. So I work, under Windows 10, with the last version of both of it. For a short moment it seems to work but the the problem reappears. Has any body experimented such a weird comportment which may be due to windows ?

Here is an image of the error prompted by the notebook Server

image description

I would add that, when I click on the icone Sagemath, a consol opens and closes ilmmediately and that Python is perfectly installed and works.

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The "right" place to report these problems (which are not mathematical questions about the use of Sage), is probably sage-support ; for the least, that's what's documented...

Emmanuel Charpentier gravatar imageEmmanuel Charpentier ( 2020-07-09 20:43:57 +0200 )edit

OK I have asked my question on sage-support. But on your comment I can read and don't know what to do.

Cyrille gravatar imageCyrille ( 2020-07-10 07:10:56 +0200 )edit

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answered 2020-07-14 23:41:32 +0200

slelievre gravatar image

updated 2020-07-14 23:41:59 +0200

Installing Sage on Windows relies on Cygwin.

Anti-virus software can interpret Cygwin's low-level calls as malicious.

The recommendation is

  • download the SageMath installer for Windows
  • tell your anti-virus to consider it harmless
  • run the installer, which installs SageMath
  • tell your anti-virus to consider SageMath harmless
  • maybe tell it to consider the underlying Cygwin as harmless too
  • then run SageMath

Silent destruction of parts of Sage by anti-virus software has been observed and can lead to this kind of error.

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Asked: 2020-07-09 16:13:58 +0200

Seen: 175 times

Last updated: Jul 15 '20