What is dllhost.exe

dllhost.exe is a Windows operating system file that you may notice running in your Task Manager as COM Surrogate. It’s a very noticeable process because it appears near the top in Task Manager, and this may cause many users to wonder what is dllhost.exe and whether it’s harmful. However, they are harmless. The file can be found in C:\Windows\System32 or C:\Windows\winsxs folders. The process will run automatically when Windows boots, and you should leave it alone. If you try to terminate the process, you might end up causing some kind of error. And there is no reason why you should terminate dllhost.exe as it’s a legitimate Windows file. dllhost

However, dllhost.exe can be abused by malware. If you notice a large amount of dllhost.exe processes running in your Task Manager and they’re using a lot of your CPU, it may be an indication that malware is inhabiting your computer. There could be other symptoms like a slow computer, weird pop-ups, programs not launching properly, etc. Essentially, any kind of unusual behavior that starts suddenly could point to a malware infection.

Should you remove dllhost.exe?

If you are dealing with the legitimate dllhost.exe, you should definitely not remove it. It could cause serious errors as it’s a Windows system file. However, if you have noticed many of these processes running and using a lot of your CPU, you need to check your computer for malware. You will need anti-malware software for that. If you already have one installed and it’s not picking up on anything but you’re still suspicious, try a different anti-malware. However, do make sure that you choose a reputable one in order to get the best results. If security software detects something malicious, allow the program to clean the infection.


More information about SpyWarrior and Uninstall Instructions. Please review SpyWarrior EULA and Privacy Policy. SpyWarrior scanner is free. If it detects a malware, purchase its full version to remove it.

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