UnavailableInvalidChannel

When I run conda update -n base conda, it returns:

Channels:

When I run conda config --show-sources, it doesn’t show the last channel listed above:

==> C:\Users\roots.condarc <==
channels:

Where else do I need to check my channels? Thanks!

Can you set CONDA_LIBMAMBA_SOLVER_NO_CHANNELS_FROM_INSTALLED to 1?

See Github issue.