What is dmiehlp.dll?

Dmiehlp.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about Download Master.

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Dmiehlp.dll file information

The process known as Download Master belongs to software Download Master version by WestByte (

Description: Dmiehlp.dll is not essential for the Windows OS and causes relatively few problems. The dmiehlp.dll file is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\. Known file sizes on Windows 10/8/7/XP are 158,208 bytes (29% of all occurrences), 168,224 bytes and 14 more variants. 
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 9961627E-4059-41B4-8E0E-A7D6B3854ADF. There is no file information. The program has no visible window. The dmiehlp.dll file is able to monitor web browsers. There is no detailed description of this service. Dmiehlp.dll is not a Windows system file. Dmiehlp.dll is certified by a trustworthy company. The dmiehlp.dll file is a Verisign signed file. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with dmiehlp.dll, you can do the following:
  • get help from the software vendor Westbyte
  • check the vendor’s website for a newer version
  • uninstall the associated program (Start > Control Panel > Uninstall a Program > Download Master version or Download Master)

Recommended: Identify dmiehlp.dll related errors

External information from Tony Klein:

Important: Some malware camouflages itself as dmiehlp.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the dmiehlp.dll process on your PC to see if it is a threat. If Download Master has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


User Comments

It is program for Download files
  xaoc   (further information)
Download Master
Dowmload master - for downloading
It's download master's file
Nice freeware program for downloading
Download Master, product of WestByte Software
Download Manager - nothing dangerous, just brower integration
  simple user  
part of downloader master which help to control it from ie. ie=shit
Download Master BHO for IE
Download master
Download Master
  Serpetro   (further information)
Download Master
  anton   (further information)
Located in C:\Program Files\Download Master\dmiehlp.dll, so it seems belong to Download Master.

Rating chart

Summary: Average user rating of dmiehlp.dll: based on 24 votes with 13 user comments. 22 users think dmiehlp.dll is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks dmiehlp.dll is dangerous and recommends removing it. 2 users don't grade dmiehlp.dll ("not sure about it").

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Best practices for resolving dmiehlp issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active dmiehlp process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the dmiehlp.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

dmiehlp.dll [all]