The coupon1.dll file has been flagged by the system security applications of many users as a malicious program associated with the AdWare.Win32.Coupons software, which is a family of obtrusive adware items, Web browser hijackers and BHOs (Browser Helper Objects) that are allegedly integrated with spyware functionalities. These users claim that the coupon1.dll adware is capable of displaying pop-up advertisements while the user is browsing the Internet using an unprotected Windows-based computer, and is also said to be capable of redirecting Web browsers, especially versions that are already outdated, to websites that are managed by the authors of the coupon1.dll adware. These users reported that the coupon1.dll adware and its executable component processes are capable of automaticaly initializing during system startup because of certain keys and entries that these applications are said to create and inject into the unsecured Windows System Registry of unprotected systems upon its successful placement and activation. Other users claim that their anti-malware tools classify the coupon1.dll file as a malicious variant of certain components associated with the CouponBar program, which is a known adware application.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. coupon1.dll. is used by AdWare.Win32.Coupons and CouponBar Adware, If you shut down coupon1.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop coupon1.dll, permanently you need to uninstall the application that runs this process which in this case is AdWare.Win32.Coupons and CouponBar Adware, 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 coupon1.dll

A process usually a part of an installed application such as AdWare.Win32.Coupons and CouponBar Adware, 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 coupon1.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 coupon1.dll, belongs to, in this case AdWare.Win32.Coupons and CouponBar Adware