You can always find the latest version of Scrivener here:
literatureandlatte.com/scrivener/download
The issues with the Scrivener 3.2 release appear to have been fixed, and both the automatic updater and the download link above should point to the correct version again. If you want to be sure you have all appropriate fixes, check the About Scrivener pane: the version you want is Scrivener 3.2, build 14343.
Katherine