Search notes:

scrobj.dll

Windows ® Script Component Runtime
scrobj.dll implements the Scripting Runtime.

Adding scrobj.dll to a VBA project's references

scrobj.dll can be added to a VBA project's references, for example in the immediate window: 
set r = application.VBE.activeVBProject.references.addFromFile("c:\windows\system32\scrobj.dll")
debug.print r.name
Scriptlet
debug.print r.description
Microsoft Scriptlet Library
debug.print r.guid
{06290C00-48AA-11D2-8432-006008C3FBFC}

TODO

Is there a relationship to scrrun.dll.

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