Error message "Invalid class string" when opening Address Book

S

Sibdeb

In Outlook, whenever I open my Address Book, I get the error message "Invalid
class string" in a windo that has the heading "Error: Creating instance of
COM object". I click OK, then I get the same message in another window with
heading "spamBlocker Add-On Message". After clicking OK on this one, it
stops for a few seconds, then the process starts all over again. It does
this the entire time my Address Book is open.
 

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