I don't normally use Drush on Windows, but tried it and noticed that it appends drush as a kind of root directory for any action, thus breaking said action.
drush dd gives:
The command could not be executed successfully (returned: 'Path/To/Composer/vendor/drush/drush/drush' is not recognized as an internal or external command, operable program or batch file. , code: 1)
The correct path is Path/To/Composer/vendor/drush/drush.
drush en mymodule, the debug information contains the following.
[preflight] Alias paths: drupal\site\root/drush/sites,drupal/site/root/drush/sites
drupal/site/root/sites I think makes more sense.
The error is Command pm:enable was not found.
Maybe this is a coincidence and the two are unrelated, but how does one configure Drush directories?
The Drush version is 9.5.2.