The hhctrlui.dll file is a process that is part of the application Microsoft HTML Help created by Microsoft Corporation. A DLL [dynamic link library] file is an application that has functions that can be used by other programs. It has a mechanism for shared code and data that enables a developer to improve the functions of a program without the need to recompile or re-link. It is easy to install and arrange. All processes using a particular DLL share its code in order to occupy a single space in the physical memory. Its data part usually remains private that means every process has its own copy of the data. Microsoft HTML Help serves as standard help system for Windows systems. It allows creation of online help for an application or content for a Website or multimedia title. The HTML Help API enables developers to program host application or hook a context-sensitive help to a program. HTML Help also serves as information delivery system. It suits various applications such as interactive books, training guides, electronic newsletters and as help for applications in a software. Its advantages include being able to support combined table of index and contents and using keywords for advanced hyperlinking. HTML Help is made up of related help components, online Help Viewer and help authoring tools provided by Microsoft.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. hhctrlui.dll. is used by Microsoft HTML Help, If you shut down hhctrlui.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop hhctrlui.dll, permanently you need to uninstall the application that runs this process which in this case is Microsoft HTML Help, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed hhctrlui.dll

A process usually a part of an installed application such as Microsoft HTML Help, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if hhctrlui.dll. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that hhctrlui.dll, belongs to, in this case Microsoft HTML Help