The file effbar.dll relates to the EngageSidebar utility but is also called Adware.Effbar, which is classified as a fraud tool by some security programs. This DLL file installs toolbars and browser extensions into the system, and frequently loads popup advertising messages that annoys and interrupts the user. Adware.Effbar is a Win32 application that may lead to system malfunction if the computer is infected or missing some of the necessary components of the program. Adware.Effbar is also categorized as a hijacker that seizes control of the computer's resources to proliferate itself or use them for other malicious purposes. Signs of Adware.Effbar infection include slowing down of the PC, new desktop shortcuts have appeared or the home page has changed, annoying popups keep appearing on the PC, and fraudulent emails coming from the user's mailbox. To remove this adware completely, the user should delete files, folder, Windows registry keys, and registry values associated with the adware.

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

A process usually a part of an installed application such as Adware.Effbar, 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 effbar.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 effbar.dll, belongs to, in this case Adware.Effbar