Don't know how stuff works in OS4.1, but a quick and easy fix with classic Amigas is the following:
When something requests to insert volume Example-D1: in any drive upon boot, the solution is to make sure it kind of finds what it's looking for by inserting this line at the beginning of S:User-Startup:
Assign Example-D1: Ram:
If this doesn't work, insert the line in Startup-Sequence instead (before C:IPrefs). After some time has passed, try disabling the line to see if something still requests Example-D1:. If this is not the case, the line can then be removed.