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What is the key.dll component needed for?

Simply stated, a DLL file is an unnamed executable file. It cannot be directly invoked, but it can be called by any executable Windows program.

The key.dll process is also known as QuickNet and is a part of QuickNet or, as the case may be, RegTweaker. This software is produced by QuickNet (www.qn.net). An obsolete or defective version of key.dll can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about key.dll QuickNet

key.dll is not part of Windows, but it is important nonetheless. Key.dll is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 243,200 bytes (42% of all these files), 449,536 bytes or, as the case may be, 242,176 bytes.
This DLL file is a browser plug-in. This could mean that your Internet Explorer has been given additional useful capabilities. However, not all such plug-ins are worthwhile. Some just display advertisements or surreptitiously change your browser settings. The unique identifer of the browser plug-in is EA5CA8B6-9B9C-4994-A7A1-947B6C631BE7. This key program does not have a visible window, and does not appear on the taskbar. The key file can analyze your Internet behavior, since it acts like an Internet Explorer plug-in. The key file is not part of the Windows operating system. For this reason, 56% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves key.dll. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about key?

The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.

Summary: source: file.net

How to uninstall QuickNet or RegTweaker

key.dll  QuickNet fix

To remove QuickNet from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for QuickNet or RegTweaker in the list of available programs.
  5. Click Uninstall.

How to tell if key.dll (QuickNet) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of QuickNet. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for QuickNet or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or key.dll is causing problems for you, a good Registry Cleaner may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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