Why VB6 Reports "MSCOMCTL.OCX Could Not Be Loaded" Even After Registration
A real-world troubleshooting case showing why a registered ActiveX control may still fail to load inside the VB6 IDE.
Knowledge Base
Practical articles for troubleshooting Visual Basic 6 applications, COM components, ActiveX controls, missing OCX files and legacy Windows runtime dependencies.
Technical Articles
Understanding "License Not Found" Errors in VB6 ActiveX Controls
Learn the difference between runtime registration and design-time licensing in legacy VB6 applications.
Why Copying an OCX from a Working Machine Is Not Always Enough
Discover why copying and registering an OCX may still fail due to COM metadata, licenses and version mismatches.
How to Find Missing OCX Files in a VB6 Application
Identify missing ActiveX controls and OCX dependencies before manually registering random components.
Why a VB6 Application Works on One PC but Not Another
Understand why copying only the EXE is often not enough when moving a legacy VB6 application.
Understanding COM GUIDs in Legacy VB6 Applications
Learn why embedded COM GUIDs matter and how they help identify hidden runtime dependencies.
About Legacy Runtime Inspector
Legacy Runtime Inspector is a diagnostic utility for VB6, COM and ActiveX runtime analysis. It helps detect missing OCX files, DLL dependencies, COM registration issues and embedded GUID references.