Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 2.71%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.16%
6.2.9200.16384 (win8_rtm.120725-1247) 10.04%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.10%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.01%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.04%
6.1.7600.16385 (win7_rtm.090713-1255) 15.75%
6.1.7600.16385 (win7_rtm.090713-1255) 26.01%
6.0.6000.16386 (vista_rtm.061101-2205) 11.55%
6.0.6000.16386 (vista_rtm.061101-2205) 2.59%
6.0.6000.16386 (vista_rtm.061101-2205) 0.72%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 20.42%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 1.43%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.90%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.10%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.10%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.90%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.19%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.10%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
5.2.3790.4110 (srv03_sp2_qfe.070702-2345) 0.01%
View more

Relationships

hhctrl.ocx

HTML Help by Microsoft

Remove hhctrl.ocx
Version:   5.2.3790.4110 (srv03_sp2_qfe.070702-2345)
MD5:   2f9e20f8741e32076d498f39eba71c16
SHA1:   765108d577719420ef5713d27cde03fcbc393663
SHA256:   a69cb6b0b79c82a84fbb78514a0b6bddfc8a120647711b9ece2b87560a183ad8
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is 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.

About hhctrl.ocx (from Microsoft)

Microsoft® HTML Help is the standard help system for the Windows platform. Authors can use HTML Help to create online help for a software application or to create content for a multimedia title or Web

DetailsDetails

File name:hhctrl.ocx
Publisher:Microsoft Corporation
Product name:HTML Help
Description:Microsoft® HTML Help Control
Typical file path:C:\Windows\System32\hhctrl.ocx
Original name:HHCtrl.ocx.mui
File version:5.2.3790.4110 (srv03_sp2_qfe.070702-2345)
Product version:5.2.3790.4110
Size:532.5 KB (545,280 bytes)
Digital DNA
Entropy:6.532121
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Safe for scripting controls
Marked as a safe ActiveX control for Internet Explorer (digitally signed with script execution permission)
  • Implemented as 'CLSID\{ADB880A6-D8FF-11CF-9377-00AA003B7A11}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
  • Implemented as 'CLSID\{41B23C28-488E-4E5C-ACE2-BB0BBABE99E8}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
  • Implemented as 'CLSID\{52A2AAAE-085D-4187-97EA-8C30DB990436}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
Safe for initializing controls
  • {ADB880A6-D8FF-11CF-9377-00AA003B7A11}
  • {41B23C28-488E-4E5C-ACE2-BB0BBABE99E8}
  • {52A2AAAE-085D-4187-97EA-8C30DB990436}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 49.00%
Windows 7 Ultimate 18.00%
Windows 7 Professional 9.00%
Windows 8 Single Language 6.00%
Windows 8 Pro 6.00%
Windows 8 5.00%
Windows Vista Home Premium 3.00%
Windows 7 Home Basic 2.00%
Windows 8 Enterprise N 1.00%
Windows Seven Black Edition 1.00%

Distribution by countryDistribution by country

United States installs about 50.51% of HTML Help.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 24.81%
Hewlett-Packard 18.60%
Acer 13.18%
ASUS 10.85%
Toshiba 10.85%
Lenovo 6.20%
Sony 6.20%
Intel 3.10%
Samsung 2.33%
GIGABYTE 2.33%
Alienware 1.55%
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