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What does the Ereg.exe file do?

The Ereg.exe process is also known as Product Registration or, as the case may be, Ereg (Unicode version) and is a part of PowerReg or, as the case may be, Nuance PDF Reader. This software is produced by Nuance Communications (www.nuance.com) or, as the case may be, Leader Technologies/Logitech (www.logitech.com). An obsolete or defective version of Ereg.exe 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 Ereg.exe Product Registration

Ereg.exe is not a Windows system file and is known to frequently cause computer problems. Ereg.exe is found in a subdirectory of "C:\Program Files" or sometimes in a subdirectory of "C:\Program Files\Public Documents". Frequently occurring are file sizes such as 328,992 bytes (30% of all these files), 517,384 bytes as well as 6 other variants.
This process is recognizable as a window and also on the taskbar. The file was developed by a so-called third party provider - and not by Microsoft. Windows starts the process each time that the computer boots up (Registry: MACHINE\Run, User Shell Folders). Ereg.exe contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. It has a digital signature. This confirms that the producer has been registered with a certificate authority. You can find the file or its related application in Control Panel under Programs. You can then rerun the setup or uninstall the program. Ereg.exe is capable of interpret keystrokes. For this reason, 1% 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 Ereg.exe. 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 Ereg?

Ereg Application = Dragon NaturallySpeaking C:\Program Files\Nuance\NaturallySpeaking9\Program\
A file called eReg.exe is also part of Logitech's product registration.
Got this loaded by Brother Multi-printer model number DCP-7040, some of the software somehow related to Nuance software, also makers of Dragon NaturallySpeaking.
Scraps, Long Island, NY
My version inspired by a Logitech registration scheme
My version is also related to Logitech (my bluetooth mouse to be exact)

Summary: 2 users judge Ereg.exe to be an essential file that should not be touched. source: file.net

How to uninstall PowerReg or Nuance PDF Reader

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

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate PowerReg or Nuance PDF Reader in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
Ereg.exe Product Registration fix

How to tell if Ereg.exe (Product Registration) 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 Product Registration. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Product Registration 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 Ereg.exe is causing problems for you, a good Windows diagnostic tool 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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