aggregatorhost.exe is a program which is probably legit. So, if aggregatorhost.exe is on your system, it is probably ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to use a well-known antivirus with a good track record, in order to defend your system against potential security problems.
This program is normally found on disk in C:\Windows\System32\AggregatorHost.exe.
The MD5 fingerprint for this file is 72deffaedebf4122cc5d1e9e9f1367d2.
This program is NOT a Windows service. This is good.
aggregatorhost.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can put to good use the full power of a current PC cpu.
aggregatorhost.exe is digitally signed. Nowadays the large majority of clean software applications are digitally signed.
The digital signature extracted from aggregatorhost.exe is valid. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have an uninstall routine set up in registry.