Hi @Anonymous To repair without completely re-installing MySQL:
ON Windows 10
Go to Control Panel
Uninstall a Program
Find MySQL (In My Case MySQL Workbench 8.0 CE)
Right Click and select "Repair"
Control Panel Repair Option for MySQL Workbench 8.0 CE
Once installation is complete, please restart MySQL Workbench 8.0 CE
this will resolves the issue for you.
Thanks for reaching out have a nice day.