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Welcome to the PC Matic Process Library. We maintain an extensive list of common processes running on today’s PCs. Within this library you can learn more about the processes running on your machine.

Process Library Detail

What is trustedinstaller.exe? Windows Module Installer?

Vendor:      Microsoft Corporation
Product:     Microsoft
Vendor Website:     
Last Seen by PC Matic:      No Data

Process is Bad PC Matic has analyzed this process and determined that there is a high likelihood that it is bad.
Process is questionablePC Matic has analyzed this process and determined that the safety of this process is questionable.
Process is goodPC Matic has analyzed this process and determined that there is a high likelihood that it is good.
Process is goodThis process is a Microsoft or Windows process, but many viruses use this file name to escape notice.

Purpose: TrustedInstaller.exe - Windows Module Installer (TrustedInstaller.exe). TrustedInstaller.exe is the online interface to the servicing stack. The installer is native to the operating system, but Package Manager and the servicing stack are also distributed in the Windows OEM Preinstallation Kit (Windows OPK) in the \Tools\Servicing directory. Offline, Package Manager requires the servicing stack to be in the same directory.

trustedinstaller.exe is required by third-party software or hardware and should not disabled.


trustedinstaller.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
trustedinstaller.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
This information brought to you by PC Matic. PC Matic's real-time protection, Super Shield, blocks ALL bad and unknown threats to keep your PC secure.
trustedinstaller.exe is a Microsoft or Windows process but some versions of this exe carry viruses.
Learn more about protecting yourself from bad versions of this file with PC Matic.

Percentage of recently scanned PC's with this process running: 0.06%
Average CPU use for this program: 0%
Average RAM for this program: 20 MB


Program Name MD5 Count
trustedinstaller.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0x2c49b175aee1d4364b91b531417fe583 6/5/2018 4:39:00 AM Unknown Unknown Windows Module Installer 200 KB
2 Status 0x66661e444ae850d5be74d9f8631508b0 1/16/2018 8:06:00 PM Unknown Unknown Windows Module Installer 111 KB
3 Status 0x34e388a395fedba1d0511ed39bbf4074 1/15/2015 12:38:00 AM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) Windows Module Installer 26 KB
4 Status 0x97d9d6a04e3ad9b6c626b9931db78dba 12/3/2014 3:06:00 PM Unknown Unknown Windows Module Installer 38 KB
5 Status 0x16613a1bad034d4ecf957af18b7c2ff5 1/9/2012 10:57:00 PM Unknown 6.0.6001.18000 (longhorn_rtm.080118-1840) Windows Module Installer 38 KB
6 Status 0x41a4c781d2286208d397d72099304133 8/27/2011 2:56:00 AM Unknown Unknown Windows Module Installer 200 KB
7 Status 0xcd987375605e6f9c3230e99eda9d9c6d 4/24/2010 4:45:00 PM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) Windows Module Installer 25 KB
8 Status 0x4024a2ebd2e265dd093fabc775d79056 11/29/2009 1:04:00 AM Unknown Unknown Windows Module Installer 200 KB
9 Status 0x0acd118dfebfc250923461cf30016f9e 7/5/2009 5:15:00 PM Unknown Unknown Windows Module Installer 38 KB
10 Status 0x749d55a922b57d5a1c6f18ef0833392f 6/1/2009 8:29:00 PM Unknown Unknown Windows Module Installer 198 KB
11 Status 0xe6e8f023960fa787ba85d5beffd9a950 5/3/2009 9:31:00 PM Unknown Unknown Windows Module Installer 199 KB
12 Status 0x0879f718dbea394402012fd55e2d55e7 5/2/2009 1:07:00 PM Unknown Unknown Windows Module Installer 200 KB
13 Status 0xa112955fc82c946176b183d192aefec2 4/26/2009 12:12:00 AM Unknown Unknown Windows Module Installer 204 KB
14 Status 0xb0c1b77383b126a21ca162a07f119967 4/21/2009 9:52:00 PM Unknown Unknown Windows Module Installer 200 KB
15 Status 0xde7af65dcc2392e0ce3aae4e01d11ef0 4/1/2009 11:21:00 AM Unknown Unknown Windows Module Installer 200 KB
16 Status 0x1fd8a943157838b30b178e5033a216b8 3/31/2009 2:31:00 AM Unknown Unknown Windows Module Installer 200 KB
17 Status 0xc59c4f106a698bdc7591e0230abf6dd3 2/14/2009 6:02:00 PM Unknown Unknown Windows Module Installer 38 KB
18 Status 0xdb24e44ec96f51f1cae1c10194a72cfd 7/8/2008 8:58:00 PM Unknown 6.0.6001.17052 (longhorn_rc1.071129-2315) Windows Module Installer 38 KB
19 Status 0xdb8946cb933b10ed24a46c6444671e00 4/23/2008 6:00:00 PM Unknown 6.0.6001.17128 (longhorn.080101-1935) Windows Module Installer 38 KB
20 Status 0x89bce94b3553837f2d4c0c09ec2d24f4 12/31/2007 Unknown 6.0.6000.16386 (vista_rtm.061101-2205) Windows Module Installer 26 KB


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