What is dlhost.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the dlhost.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Dlhost.exe file information

The process known as AutoIt v3 Script appears to belong to software AutoIt v3 Script by AutoIt Team.

Description: Dlhost.exe is not essential for Windows and will often cause problems. The dlhost.exe file is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 931,840 bytes (28% of all occurrences), 784,290 bytes and 4 more variants. 
The dlhost.exe file is not a Windows core file. Dlhost.exe is a file with no information about its developer. The program is loaded during the Windows boot process (see Registry key: RunOnce, Run, MACHINE\Run, MACHINE\RunOnce). Dlhost.exe is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 76% dangerous, however you should also read the user reviews.

Recommended: Identify dlhost.exe related errors

Important: Some malware also uses the file name dlhost.exe, for example Trojan.Win32.Inject.mzhl or Trojan.Win32.Inject.nvlz (detected by Kaspersky), and WS.Reputation.1 or Suspicious.Cloud.2 (detected by Symantec). Therefore, you should check the dlhost.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

it used all of my CPU.. an di have a 4,4 Hz proccers.. i made a newly format c: lag i windows..

Summary: Average user rating of dlhost.exe: based on 2 votes with 1 user comment. One user suspects danger. One user thinks dlhost.exe is dangerous and recommends removing it.

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Best practices for resolving dlhost issues

A clean and tidy computer is the key requirement for avoiding problems with dlhost. 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.

To help you analyze the dlhost.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

dlhost.exe [all]