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What is the yiesrvc.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 yiesrvc.dll process is also known as Yahoo! IE Services and is a part of Yahoo! Browser Services or, as the case may be, Yahoo! Toolbar. This software is produced by Yahoo! (www.yahoo.com). An obsolete or defective version of yiesrvc.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 yiesrvc.dll Yahoo! IE Services

yiesrvc.dll is not a Windows system file and is known to frequently cause computer problems. Yiesrvc.dll is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 198,136 bytes (47% of all these files), 222,448 bytes, 181,352 bytes or, as the case may be, 181,752 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 5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897. The service has no characteristics or description of its own. This is unusual. The yiesrvc file can analyze your Internet behavior, since it acts like an Internet Explorer plug-in. The yiesrvc file was developed by a so-called third party provider - and not by Microsoft. This yiesrvc program does not appear as a visible window, but only in Task Manager. Yiesrvc.dll has a digital signature. This confirms that the producer has been registered with a certificate authority. This file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. Yiesrvc.dll is capable of log keyboard entries. For this reason, 50% 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 yiesrvc.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 yiesrvc?

it is missing from the computer (deleted by virus software)
makes my pc lock up if I use IE and MSWord together, also closes my browser if I have MSWord open and use the back button
Linda Hoover
This addon has corrupted my Internet explorer
It is a bloody nuisance. Keeps crashing my IE browsing
blows me out of explorer

Summary: 9 users judge yiesrvc.dll to be an essential file that should not be touched. 2 users consider it harmless. However, 4 users consider this to be a suspicious process and would like to get rid of it. For this reason, 9 users have already deleted yiesrvc.dll. source: file.net

How to uninstall Yahoo! Browser Services or Yahoo! Toolbar

To remove Yahoo! IE Services 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 Yahoo! Browser Services or Yahoo! Toolbar in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
yiesrvc.dll Yahoo! IE Services fix

How to tell if yiesrvc.dll (Yahoo! IE Services) 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 Yahoo! IE Services. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Yahoo! IE Services 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 yiesrvc.dll 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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