Anaconda fails to uninstall during upgrade (Error 87)

Reported by Matt Cavallari [MSFT] May 07 at 05:04 PM Python Setup known issue in: visual studio 2017 version 15.7 windows 10.0.16299 visual studio 2017 version 15.7

When upgrading my installation, I received a warning in the UI that Anaconda failed to uninstall during the upgrade. However, Anaconda does look to be properly installed and useable from within the IDE.

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Bryan · May 11 at 11:59 PM 0

Came to say I also got this error (though it said "Couldn't uninstall Anaconda3.Exe.x64") when upgrading to VS 15.7.x from VS 15.6.x.

Gary Zhu · May 13 at 01:31 AM 2

I have the same problem after 15.7.1 update.

Matt Cavallari [MSFT] · May 15 at 11:07 PM 0

Thank you for your feedback! We have fixed the problem in an upcoming release. Thank you for helping us build a better Visual Studio!

Heptinstall, Mark Matt Cavallari [MSFT] · May 22 at 07:37 AM 0

I'm just installing the 15.7.2 update and the installer is stuck on Anaconda3.Exe.x64 again like it was with 15.7.1

George Dixon · Jun 03 at 03:29 PM 0

The same problem here to upgrading to VS 15.7.3 reported that VS could not uninstall Anaconda 2. so I did it manually from C:\Program Files (x86)\Microsoft Visual Studio\Shared\Anaconda2_64 and used the Uninstall-Anaconda2 uninstaller and it was completed successfully. Anaconda 3 installed ok before I removed Anaconda 2...

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Added a solution by Matt Cavallari [MSFT] · May 07 at 05:27 PM

To uninstall Anaconda2, the Visual Studio installer calls out to a specific exe provided by the Anaconda installer. The name of this installer was changed in a recent update for the Anaconda package. Because of this, the Visual Studio installer now tries to uninstall the old build using the wrong file name, resulting in this warning.

Even though the old build fails to uninstall, the new one does install successfully. This can be considered a benign warning, and projects will continue to load and function properly.

The issue has been fixed in later builds. Once users have upgraded Visual Studio to version 15.7, future updates will not show this error.

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Deepak Tekchandani · May 10 at 02:50 AM 0

Thanks for the solution @Matt Cavallari. But I got this warning while upgrading VS 15.7.1.

Victor Buttigieg · May 21 at 10:09 AM 0

I also got this warning while upgrading to VS 15.7.1.

Sorin Ursan · May 31 at 09:59 PM 0

Hello, I have just upgraded to Visual Studio Community 2017 15.7.3 and I still have this error.

Added a solution by Matt Cavallari [MSFT] · May 07 at 05:32 PM

Thank you for your feedback!

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Added a solution by Ƹ̵̡Ӝ̵̨̄Ʒ Nick Something Ƹ̵̡Ӝ̵̨̄Ʒ · Jun 03 at 07:44 AM

I also got this warning after updating to Visual Studio Community 2017 15.7.3 as well.

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Added a solution by Stuart Sung · Jun 06 at 06:42 PM

same for me when updating to Visual Studio Community 2017 15.7.3

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