How to solve InvalidArchiveError while installing pytorch with Anaconda?

Question

I have installed the latest Anaconda and updated everything. When I try to install BERTopic or PyTorch itself, I am getting this error:

InvalidArchiveError("Error with archive C:\Users\myuser\AppData\Local\anaconda3\pkgs\pytorch-2.6.0-cpu_mkl_py3)

So far I have tried to delete the file. I also tried conda clean --all and downgraded Python to version 3.12. This error occurs in different environments, and I don't know what to do anymore.

It is worth mentioning that I do have admin rights now, but the problem persists. Deleting the file does not work. Starting the console as admin also does not solve the problem.

Thanks a lot in advance!

Silverstorm · Accepted Answer · 2025-07-26 14:48:15Z

1

The problem is likely caused by the path, perhaps a special character in the username or a path that's too deep.

Try using a different installation path.

answered Jul 26 at 14:48

Silverstorm

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