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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.

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Process Library Detail

What is msiexec.exe? Windows Installer?

Vendor:      Microsoft
Product:     Windows Installer
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.

PC Matic Analysis

Purpose: msiexec.exe provides support for Windows Installer. This service will be started when you run setup programs based on Windows Installer, which often end in ".msi". If you are seeing this program running constantly, go to Administrative Tools | Services and make sure the Windows Installer service is set to Manual (not Automatic).

msiexec.exe is a user invoked program and a normal part of PC operations. No action required.


msiexec.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
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msiexec.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
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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.
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msiexec.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.
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msiexec.exe Technical Information

Percentage of recently scanned PC's with this process running: 1.74%
Average CPU use for this program: 0%
Average RAM for this program: 7 MB

MD5 Hash Analysis

Program Name MD5 Count
msiexec.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0x7f7bc88c8fb6b52989e0e93084b5e678 8/2/2022 4:14:00 PM Unknown Unknown Windows Installer 93 KB
2 Status 0x5879d691e842574a20fe63817cb76df9 8/31/2021 10:10:00 PM Unknown Unknown Windows Installer 77 KB
3 Status 0xeee470f2a771fc0b543bdeef74fceca0 2/21/2019 6:05:00 AM Unknown Unknown Windows Installer 0 KB
4 Status 0xf92d1f7d1f0f794d4865ef189d73f0b9 6/5/2018 11:27:00 PM Unknown Unknown Windows Installer 94 KB
5 Status 0xec31a58b8648faf06053499ee866b88b 3/15/2018 9:32:00 PM Unknown Unknown Windows Installer 228 KB
6 Status 0xf61a069a5517f85662ed9a6c5ad5445a 8/24/2017 2:55:00 AM Unknown Unknown Windows Installer 0 KB
7 Status 0x35e4bb9997323a138df04cf11f5a9884 6/18/2017 6:15:00 PM Unknown Unknown Windows Installer 77 KB
8 Status 0x0411f7ee63ae48d2918ab4f2c79ab6c4 12/26/2016 11:07:00 PM Unknown Unknown Windows Installer 77 KB
9 Status 0x3e92c5ea75da5429bf4fb6c4672c66a8 12/17/2016 10:53:00 PM Unknown Unknown Windows Installer 77 KB
10 Status 0xe75ac715811a89b9ea07e0f7f1ef947a 10/21/2016 7:21:00 PM Unknown Unknown Windows Installer 0 KB
11 Status 0x275a5afe52c7440946b89215913446f5 8/2/2016 6:58:00 AM Unknown Unknown Windows Installer 77 KB
12 Status 0x858653e3e1183b2f4ce924fda8a256ef 5/6/2016 4:33:00 PM Unknown Unknown Windows Installer 77 KB
13 Status 0x4236ae241f193f58adab141ceccfd5f4 3/3/2016 2:36:00 AM Unknown 3.0.3790.2180 Windows Installer 75 KB
14 Status 0xa8492e3929e7b981da541286709c8479 2/7/2016 6:58:00 PM Unknown Unknown Windows Installer 71 KB
15 Status 0x18ade5dc7fb4a40389794e090037e6cd 1/21/2016 7:42:00 AM Unknown Unknown Windows Installer 0 KB
16 Status 0x5e46743cbad49af86bcb2d7b01100253 1/6/2016 6:47:00 PM Unknown Unknown Windows Installer 77 KB
17 Status 0xdcd107162ea0c7263b6a0d4382a21674 11/30/2015 7:45:00 AM Unknown Unknown Windows Installer 77 KB
18 Status 0x052fbc5525fa2975fc08ebd130bc0209 11/23/2015 12:26:00 AM Unknown Unknown Windows Installer 0 KB
19 Status 0xec72e009bd1fa3e5e6d237638561797a 10/26/2015 12:13:00 AM Unknown 3.1.4000.3959 Windows Installer 77 KB
20 Status 0x07eab0a1dcf20b91a30eb6822d63483c 9/8/2015 7:02:00 PM Unknown Unknown Windows Installer 0 KB
21 Status 0xc559672f31abe6ba7277dd73c4502238 7/7/2015 7:31:00 PM Unknown Unknown Windows Installer 71 KB
22 Status 0xf5f0146580e7023adb963879840777f8 6/11/2015 12:16:00 AM Unknown 3.1.4000.1823 Windows Installer 77 KB
23 Status 0xb66b0778bf7e1dd979bd47ecdf36f204 5/29/2015 4:30:00 PM Unknown Unknown Windows Installer 77 KB
24 Status 0xce90b9e9fedbe39ba258eae79286891d 5/17/2015 6:31:00 PM Unknown Unknown Windows Installer 0 KB
25 Status 0x68c6ade4d4ee641a994c3a3bdf424232 1/4/2015 6:18:00 AM Unknown Unknown Windows Installer 96 KB


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