If you are left with an empty browser after having updated to Lié 1.5, then your database is outdated and you will need to do a clean reinstall of Lié to make the presets reappear.
Delete Lié.
Manually delete all Lié settings folder(s):
macOS:
Macintosh HD/Users/*YourUserName*/Library/Application Support/Liex64
Windows 10:
C:\ProgramData\Expressivee
C:\ProgramData\Liex64
C:\Users\*YourUserName*\AppData\Roaming\Expressivee
C:\Users\*YourUserName*\AppData\Roaming\Liex64