In this case we suggest you to uninstall the application and reinstall it.
Important: Don’t forget to save your seed phrase as it will be needed to get access to your funds.
To uninstall the app on Windows - follow this path: C:\Users\*your-windows-username*\AppData\Local\Programs\atomic
Click on uninstall Atomic.
Then all you need to do is just re-install the latest version of the app. It helps in the most of the cases.