tiworker.exe is a program which is probably legit. So, if tiworker.exe is on your PC, it is probably ok, and will NOT cause problems. Even if your system is clean, we still advise you to run a good antivirus with a good detection rate, in order to yourself your PC against viruses and malware.
Normally, this program is stored in C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.15063.410_none_9e914f9d2d85dacb\TiWorker.exe.
The MD5 fingerprint for this executable is 1a63cdea09854d27e46ef149b7ae9afa.
This application is NOT a Windows service. This is very good.
64-bit code has been detected. This exe can put to good use the full power of a current PC cpu.
The description present in the exe is Windows Modules Installer Worker.
File version 10.0.15063.0 (WinBuild.160101.0800).
Producer Microsoft Corporation.
Legal copyright © Microsoft Corporation. All rights reserved..
tiworker.exe has a digital signature. Nowadays the large majority of virus-free programs are digitally signed.
The digital signature attached to tiworker.exe checks out perfectly. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This program does NOT have a removal routine set up in registry.