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I have installed IntelPython3 (3.7.3) on windows. When installing conda install spyder an error occurred.
ERROR conda.core.link:_execute_actions(339): An error occurred while installing package 'defaults::babel-2.7.0-py_0'.
CondaError: Cannot link a source that does not exist. D:\python\intelpython3\Scripts\conda.exe
Running `conda clean --packages` may resolve your problem.
Attempting to roll back.
CondaError: Cannot link a source that does not exist. D:\python\intelpython3\Scripts\conda.exe
Running `conda clean --packages` may resolve your problem.
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I solved the original problem by first installing tqdm, then babel. But when I then install spyder Irun into a new problem. The spyder files downloaded have type .conda instead of the usual type tar.bz2, maybe that causes the issue shown below.
Downloading and Extracting Packages
spyder-3.3.2 | 2.2 MB | ############################################################################ | 100%
spyder-kernels-0.2.4 | 68 KB | ############################################################################ | 100%
parso-0.2.0 | 113 KB | ############################################################################ | 100%
jedi-0.12.0 | 213 KB | ############################################################################ | 100%
InvalidArchiveError('Error with archive D:\\python\\intelpython3\\pkgs\\spyder-3.3.2-py36_0.conda. You probably need to delete and re-download or re-create this file. Message from libarchive was:\n\nCan\'t initialize filter; unable to run program "zstd -d -qq" (errno=22, retcode=-30, archive_p=1736803799120)',)
InvalidArchiveError('Error with archive D:\\python\\intelpython3\\pkgs\\spyder-kernels-0.2.4-py36_0.conda. You probably need to delete and re-download or re-create this file. Message from libarchive was:\n\nCan\'t initialize filter; unable to run program "zstd -d -qq" (errno=22, retcode=-30, archive_p=1736803799120)',)

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