AI & Computingarticle2026-08-30

Registration and Bitness Pitfalls in COM/OCX/ActiveX Development (archived 2026-08-30)

Open access0 citations

Abstract

Why COM/OCX components fail with 0x80040154 or break outside your dev machine: bitness mismatches, regsvr32 vs Regasm, HKCR views, and admin-rights traps. Archived version of https://comcomponent.com/en/blog/2026/04/15/001-com-ocx-activex-pitfalls-visual-studio-bitness-admin-rights/, as published on 2026-08-30. The live article is maintained and may change after this date. First published 2026-04-15.

// Source

View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-08-30

Authors: Go Komura

Institutions: Fujikura (United States)