What process is dllhost?

dllhost is a system process, generally called a COM host process; it is part of the Microsoft Windows operating system and is used to manage DLL applications. If you need to run Web and FTP servers in Windows, it will This process is running. dllhost is a system process. Since every Windows system has this dllhost.exe program file, some Trojan viruses also try to use the same name to deceive users.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What process is dllhost?

The dllhost.exe process is an important system process defined by Microsoft for its Windows system. The system is described as: COM Surrogate, which is generally referred to as Called the COM host process (COM component service full name: Microsoft Component Services), it executes and controls DLL-based COM objects and Internet Information Services (IIS).

IIS will be used when building a Web service. In addition, the dllhost.exe process will be run when running Visual Basic and .Net applications. These are the two most common programs that cause them to run. Additionally, depending on application usage, there may be multiple instances of dllhost.exe running at the same time, which is a normal working condition. If it does terminate, the COM-based component will not function properly.

Dllhost.exe is part of the Microsoft Windows operating system and is used to manage DLL applications. If you need to run the Web and FTP servers in Windows, this process will be running. From this, it seems that this process has a negative impact on the system. It is very important to run normally

Is the dllhost process safe

dllhost is a system process, and it should normally be safe. You can see its program files in the following location:

c:\Windows\System32\dllhost.exe

Extended knowledge: Dangerous dllhost.exe

As a system process, since every Windows system (Win 2000 and later) has this dllhost.exe program file, some Trojan viruses also try to use the same name to deceive users. However, two files with the same name cannot exist in the same directory, so they are usually not in the directory location mentioned above. In this case, it is likely that they are malware or Trojan virus program files. In addition, it is not ruled out that some viruses will replace the dllhost.exe file in the correct directory in the system, which usually damages the system's functions. When you need to use it, a dllhost.exe error may occur.

Frequently Asked Questions: If dllhost takes up too much memory or uses 100% CPU, it is usually related to the IIS service or a defective COM DLL. In this case, we can exclude the IIS service or some running dllhost.exe instances.

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