Problems installing matplotlib in Anaconda

conda install -c conda-forge matplotlib
Collecting package metadata (current_repodata.json): failed
I tried to install matplotlib in Conda but I got this message. I haven’t been able to import matplotlib on Visual Studio Code either.

CondaHTTPError: HTTP 000 CONNECTION FAILED for url https://conda.anaconda.org/conda-forge/linux-64/current_repodata.json
Elapsed: -

An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
‘https//conda.anaconda.org/conda-forge/linux-64’

How many times have you tried, and how long did you wait between tries?