eTomi locks up, when Loading the Library

Instead of trying a clean install, try this first...

If eTomi is still running, close it.
If you can't close it, - Open Windows Task Manager and use End Task on eTomi.exe.

Then go to C:\Program Files\ eTomi \ (default).
Open the Data directory.
Delete (or move) the Library1.dat file. Restart eTomi.

There is also a Library2.dat file , but you don't need to delete it.
If it doesn't work the first time, try deleting both.