I've tried to do as you suggest but there is no alarms.ini file.

I did delete those lines from default .ics. Haven't seen that it has made any difference as yet.

The Manager doesn't show the name of the event. Start, finish, description.. but not the name. That's not right, is it?

And I also notice there's no 'end' time shown in Manager for those events that start and end on the same day.

It all seems to be a big mess.

I've tried to do as you suggest but there is no alarms.ini file.
The alarms.ini file is located in the settings folder. If you are using an old version of Rainlendar it might not yet have it though.

The Manager doesn't show the name of the event. Start, finish, description.. but not the name. That's not right, is it?
The manager shows the event's summary instead the description.

And I also notice there's no 'end' time shown in Manager for those events that start and end on the same day.
This is by design.