OLE automation

Winsage
June 17, 2026
Microsoft's June Windows update has caused issues for users of third-party applications that use Object Linking and Embedding (OLE) automation to interact with Office applications, leading to failed document launches without error messages. Affected applications include CCH Engagement, Workpaper Manager, Dentrix, Softdent, and Zotero. Microsoft has suggested a workaround of opening documents directly, but has stated that the responsibility for these issues lies with third-party developers, asserting no warranty on their performance. Users unable to resolve issues by opening files directly must wait for a fix in a future update, and organizations can contact Microsoft support for assistance. This is the first issue Microsoft has publicly acknowledged in the recent patch, amid ongoing complaints about other functionalities like OneDrive and BitLocker.
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