Registration and Bitness Pitfalls in COM/OCX/ActiveX Development (archived 2026-07-27)

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 2026-07-27. The live article is maintained and may change after this date. First published 2026-04-15.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-07-27
DOI
https://doi.org/10.5281/zenodo.21614619
Primary Topic
Scientific Computing and Data Management
Type
article
Field-Weighted Citation Impact
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article

Registration and Bitness Pitfalls in COM/OCX/ActiveX Development (archived 2026-07-27)

Go Komura
Zenodo (CERN European Organization for Nuclear Research)
Scientific Computing and Data Management
article

Registration and Bitness Pitfalls in COM/OCX/ActiveX Development (archived 2026-07-27)

Go Komura
article en

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 2026-07-27. The live article is maintained and may change after this date. First published 2026-04-15.

Zenodo (CERN European Organization for Nuclear Research)
Fujikura (United States) (US)
Peace, Justice and strong institutions
Openalex Percentile: Top 4%
Scientific Computing and Data Management
DOIOpen Access PDFOpenAlex
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Registration and Bitness Pitfalls in COM/OCX/ActiveX Development (archived 2026-07-27) — Go Komura · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS