I went with DavidMoye's approach (but using defaults channel instead) to update the base env for Anaconda 2020.07
conda update -n base -c defaults --all
## Package Plan ##
environment location: C:\ProgramData\Anaconda3
The following packages will be downloaded:
package | build
---------------------------|-----------------
conda-env-2.6.0 | haa95532_1 3 KB
navigator-updater-0.5.1 | py38haa95532_0 2.3 MB
------------------------------------------------------------
Total: 2.3 MB
The following packages will be UPDATED:
navigator-updater 0.2.1-py38_0 --> 0.5.1-py38haa95532_0
The following packages will be DOWNGRADED:
conda-env 2.6.0-1 --> 2.6.0-haa95532_1
Proceed ([y]/n)? y