What does the ie4uinit.exe file do?
The ie4uinit.exe process is also known as IE Per-User Initialization Utility and is a part of Internet Explorer. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of ie4uinit.exe can cause problems for your computer, ranging from slowness to error messages like these:
- IE Per-User Initialization Utility has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
 - IE Per-User Initialization Utility has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
 - ie4uinit.exe has encountered a problem and needs to close.
 - Access violation at address FFFFFFFF in module ie4uinit.exe. Read of address 00000000.
 
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What you should know about ie4uinit.exe IE Per-User Initialization Utility
ie4uinit.exe is part of Windows. The file ie4uinit.exe is found in the C:\Windows\System32 directory.
The file size is 188,416 bytes.
 
The ie4uinit file is part of the operating system. This ie4uinit.exe process does not have a visible window, and does not appear on the taskbar. The file contains Microsoft's digital signature. This confirms its authenticity. 
For this reason, 2% 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 ie4uinit.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 ie4uinit?
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 Internet Explorer
To remove IE Per-User Initialization Utility from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
 - Type 'uninstall'.
 - Click Add or remove programs.
 - Now locate Internet Explorer in the list of displayed applications.
 - Click the program, and then click Uninstall.
 
	
How to check if ie4uinit.exe (IE Per-User Initialization Utility) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of IE Per-User Initialization Utility. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: IE Per-User Initialization Utility or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or ie4uinit.exe is causing problems, a good Windows diagnostic tool may 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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