"System.ArgumentException: The currency separator information specified in the NumberFormatInfo is ambiguous for parsing."

It seems that when reading Molecular Conceptor database files, there is a part of the data that the computer cannot read because of language differences. This problem is sometimes seen on Italian or Spanish systems.

To solve the problem: (See the snapshot)

1. Select 'Start' | 'Settings' | 'Control Panel' | 'Regional Options'
2. 'Customize' the 'Decimal Symbol' to a dot sign (.) instead of a comma sign (,)
3. You might also need to change the 'Digit grouping symbol' to a comma sign (,)