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I attempted to install Jupyterlab Desktop version from the exe file given in the following location. Windows and Norton throw errors saying threat detected. The file is not signed digitally and cannot be trusted. Is this normal?

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Giacomo1968
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Ushasri Bhogaraju
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    So you can submit the sample to Microsoft and Norton and eventually the potential false positive will be handled. – Ramhound Jan 24 '24 at 21:24

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I have tested your installation file on Virus Total and it comes up as clean. This seems like a false positive by Norton (which in my opinion isn't one of the best antiviruses). You should only take the virus warnings seriously if Defender is also warning about this installation.

To be absolutely safe, the official release download location for today is Jupyterlab Desktop v4.0.11-1.

You could download again, uninstall what you have installed using an uninstaller like Revo Uninstaller Free and do deep antivirus scans using Defender and at least also Malwarebytes.

If after installing the new downloaded version you still get messages about suspicious activities, see the post
How can I remove malicious spyware, malware, adware, viruses, trojans or rootkits from my PC?

harrymc
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  • I am confused. The file you linked to is identical to the file the author indicated they downloaded. Microsoft Defender Smartscreen is reputation based. Norton is trash so cares how they determine if a file is legitimate. – Ramhound Jan 24 '24 at 21:29
  • @Ramhound: What - have you managed to download from the user's link? I got a 404 error. – harrymc Jan 24 '24 at 21:48
  • I absolutely was able to download this which is identical to this once you select JupyterLab-Setup-Windows.exe on the page. It's the same GitHub repository. It's not malware. – Ramhound Jan 24 '24 at 22:26
  • @Ramhound: (1) I was able to binary compare the two files and they are identical, so probably this was some internet glitch on my side. There is still one weird fact with his link that the folder itself gives a 404 : https://github.com/jupyterlab/jupyterlab-desktop/releases/download/v4.0.11-1, so this seems like his URL is being redirected. (2) The installation also comes out as clean on Virus Total, so Norton is indeed showing a false positive. (3) Defender is nowadays a pretty robust antivirus and does a pretty good analysis of executable files, in my experience. I modify my answer. – harrymc Jan 25 '24 at 09:08