Just tried this, and it gives me exactly the same error. Actually, I can't see how this is the way to fix it, since it doesn't get to touch any database, because it doesn't start the configuration program... v.v
what database does the registry key HKEY_CURRENT_USER\Software\MPAnimeSeries point to? Is this your anime database or your tv series database? I'm pretty sure I got your error while trying to use mpanimeseries with a database filled by mptvseries.
Netherlands