The filehookdll32.dll, known as iolo system component, belongs to software iolo System Guard by iolo Technologies. System Guard is software that protects the user against unwanted changes, particularly those that may be caused by malware. Without the user's knowledge, malware like trojans that has infected the system may attempt to execute itself, include itself in the windows registry, or change the Web browser's home page. These unauthorized changes to the computer can be blocked by the application System Guard, which generates an Alert window when a program or function attempts to make a change. This alert prompts the user to block or allow the change by choosing any of the given options, which are allow once, allow always, block one and block always. The source of the attempted change can be viewed by choosing from the tray menu Show Details, which enables the user to read information about the program or source that is attempting to make the change. System Guard also features a Browser Guard Alert that shows the address of the website that is attempting to change the home or search page.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. hookdll32.dll. is used by iolo System Guard, If you shut down hookdll32.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop hookdll32.dll, permanently you need to uninstall the application that runs this process which in this case is iolo System Guard, 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 hookdll32.dll

A process usually a part of an installed application such as iolo System Guard, 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 hookdll32.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 hookdll32.dll, belongs to, in this case iolo System Guard