What does it mean "Class not registered"?



When I try to open the file, and click on either Disable or Enable macros, I
get the following message in a gray box:

Microsoft Visual Basic
Class not registered.
Looking for object with CLSID:{AC9F2F90-E877-11C-9F68-00AA00574A4F}
I click on OK and get the Disable or Enable macro pop-up window. After
clicking on either of those boxes I get another gray box that says:

Repairs to ‘File Name

Lost Visual Basic project.
Lost ActiveX controls.

I close this box and my spread sheet opens. I went to a Excel Worksheet tab,
click on the gray Detail box (box with attached macro), and it says the macro
can’t be found.


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