dllhost.exe is a program which is probably legit. So, if dllhost.exe is on your system, it is probably ok, and will NOT cause problems. Even if your system is virus-free, we still advise you to run a well-known antivirus with a good track record, in order to yourself your system against potential security problems.
Usually, the default filename and folder where the application is stored is
C:\Windows\System32\dllhost.exe.
The MD5 fingerprint for this file is 5d94fa288f4bb230fe77bc67de506257.
This application does NOT operate as a Windows service. This is usually a good sign.
dllhost.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a 64-bit executable. It runs using the full capacity of nowadays' computer processors.
The description present in the exe is COM Surrogate.
File version 10.0.16299.15 (WinBuild.160101.0800).
Maker Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
dllhost.exe appears to have a visible user interface. This is good because it doesn't work in a kind of stealth mode. Its operation is clearly displayed to you.
dllhost.exe has a digital signature. Nowadays the large majority of serious software applications are digitally signed.
The digital signature extracted from dllhost.exe verifies as ok. This is excellent.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have an uninstall command stored in registry.