htmlhelpauthor.md

.chm helper DLL

Location:

HKCU\Software\Microsoft\HtmlHelp Author

Classification:

Criteria	Value
Permissions	User
Security context	User
Persistence type	Registry
Code type	DLL
Launch type	User initiated1
Impact	Non-destructive
OS Version	All OS versions
Dependencies	OS only
Toolset	Scriptable

Description:

The DLL of your choice will be loaded anytime the old-school .chm file is opened.

References:

https://www.hexacorn.com/blog/2018/04/22/beyond-good-ol-run-key-part-76/

Credits:

@Hexacorn

See also:

hhctrl.ocx

Remarks:

Footnotes

1. Happens when user opens a .chm file ↩