Hi @n_ross
Welcome to the Canvas Community, as well. I guess the first obvious question is to ensure that your institution allows uploading of the profile picture, though if you see a placeholder for one (as described in the guide), it should.
The other thing to try is, simply, a different browser. We in the Community have run into various issues with the Edge/Explorer family of browsers for various things, including uploading material. If you are using a smartphone app rather than a browser, make sure it's up-to-date.
Otherwise, you may need to contact your institution's support center for this or file a support case with Canvas. (Help>>Report a Problem).
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