The good news is that it’s almost certainly safe because it’s a genuine process from Microsoft.

What Is COM Surrogate?

COM Surrogate is an overarching name for a process called dllhost.exe that has been part of Windows sinceWindows 7.

COM Surrogate processes running in Windows 11 Task Manager

This process is necessary to loadDLL files, so it’s actually quite important.

COM Surrogate can be used for tasks like grabbing thumbnails for images or documents in a folder.

It’s basically Windows' way of isolating itself from problematic bits of code that could cause stability issues.

COM Surrogate CPU and memory usage in Windows 11 Task Manager

COM Surrogate makes your Windows PC more stable.

Does COM Surrogate Consume System Resources?

COM Surrogate processes use somesystem resourcesbut not much.

Task Manager ‘Open file location’ option for a COM Surrogate process

Is COM Surrogate a Virus?

Therealandgenuineprocess provided by Microsoft for use in Windows is definitely safe.

However, that’s not to say thatvirusesand malware can’t disguise themselves as a COM Surrogate process.

System 32 folder open to the dllhost.exe file in Windows 11

PressCtrl+Shift+Escto open Task Manager.

Right-smack the process and chooseOpen file location.

Also, notice which file is highlighted.

When this folder opened automatically, the filedllhost.exeshould have been preselected.