This is a Windows system installed file with Windows File Protection (WFP) enabled.
hhctrl.ocx has 54 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). The average file size is about 565.21 KB. The programs CallClerk, GohWin and Brown Rater For Windows have been observed as installing specific variations of hhctrl.ocx.
Microsoft Compiled HTML Help is a Microsoft proprietary online help format. It was introduced as the successor to Microsoft WinHelp with the release of Windows 98, and is still supported in Windows 7. Help is delivered as a binary file with the .chm. It contains a set of HTML files, a hyperlinked table of contents, and an index file.
(Note, the behaviors below are for all versions of hhctrl.ocx, select a unique version for details.)
Marked as a safe ActiveX control for Internet Explorer (digitally signed with script execution permission)
United States installs about 45.73% of HTML Help.