Coupon Companion Plugin.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if Coupon Companion Plugin.dll is a Windows system file or if it belongs to an application that you can trust.
Description: Coupon Companion Plugin.dll is not essential for the Windows OS and causes relatively few problems. Coupon Companion Plugin.dll is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 8/7/XP are 637,952 bytes (76% of all occurrences) or 613,376 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 11111111-1111-1111-1111-110211181104. The program has no visible window. The file is able to change the behavior of, or monitor Internet Explorer. Coupon Companion Plugin.dll is not a Windows system file. Coupon Companion Plugin.dll is able to monitor applications. Therefore the technical security rating is 54% dangerous.
If you have any problems with Coupon Companion Plugin.dll, you can uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ Coupon Companion Plugin.
Recommended: Identify Coupon Companion Plugin.dll related errors
Important: Some malware camouflages itself as Coupon Companion Plugin.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the Coupon Companion Plugin.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with Coupon Companion Plugin. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the Coupon Companion Plugin.dll process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.