searchui.exe is a program which is probably NOT a virus. So, if searchui.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, we still advise you to purchase a good antivirus with a good track record, in order to yourself your PC against viruses and malware.
This program is usually found in C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe.
The MD5 fingerprint for this file is 200ed9927bf3baabdd49959754c63b45.
This application is NOT registered as a Windows service. This is good.
searchui.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This application runs in 32-bit mode. It does not exploit the full set of features of nowadays' computer processors. This is quite normal because the authors did not upgrade it to use the x64 instruction set.
The description stored in the file is Search and Cortana application.
File version 10.0.10586.420 (th2_release_sec.160527-1834).
Producer Microsoft Corporation.
Legal copyright © Microsoft Corporation. All rights reserved..
searchui.exe has a digital signature. Nowadays most clean software applications are digitally signed.
The digital signature extracted from searchui.exe verifies as ok. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have a removal routine set up in registry.