Couple more things to check: make sure the library is readable by the user, and probably executable, just in case, although I don't know if that's actually required for libraries. Then maybe try ...

Some users are failing to import registry files. When trying to do the same, an error message saying Cannot import file: The specified file is not a registry script ...

While working on Microsoft Access, encountering Error 53 can disrupt the workflow. The error typically occurs when Access tries to load a file that Windows cannot ...