If you're getting an error message related to your app data being corrupted, you'll need to delete the Curiosity data folder to be able to start the app again.
You'll also need to connect your apps again after you do that.

How to find the data folder on Windows

To access the Curiosity data storage folder on Windows:
Open Windows Explorer
Click into the top bar (where you see the folder name)
Paste this path into the bar: %appdata%\curiosity\local\storage and press Enter
You will see the Curiosity data folder. Delete everything inside it.
Restart the app, and reconnect your apps for indexing.

How to find the data folder on macOS

To find the Curiosity data storage folder on macOS:
Open Finder
Press ⌘ + Shift + G ("Go to" menu)
Paste this path into the popup: /Users/USER/Library/Application Support/curiosity/local/storage, replacing USER with your Mac username, and hit Enter
You will see the Curiosity data folder. Delete everything inside it.
Restart the app, and reconnect your apps for indexing.

Updated on: 17/02/2023