How to remove an msiexec error
The free file information forum can help you determine if msiexec.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.
Msiexec.exe file information
Description: msiexec.exe is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 78,848 bytes (75% of all occurrences), 77,312 bytes and 32 more variants.
The program is not visible. Msiexec.exe is a trustworthy file from Microsoft. Therefore the technical security rating is 10% dangerous, however also read the users reviews.
If problems with Adobe Flash Player 10 ActiveX or AMD OverDrive occur, you can also remove the entire program using Windows Control Panel.
Recommended: Identify msiexec.exe related errors
Viruses with the same file name
Is msiexec.exe a virus? No, it is not. The true msiexec.exe file is a safe Microsoft Windows system process, called "Windows installer".
However, writers of malware programs, such as viruses, worms, and trojans deliberately give their processes the same file name to escape detection. Viruses with the same file name are e.g. Trojan-Clicker.Win32.Agent.tg (detected by Kaspersky), and Mal/Behav-105 (detected by Sophos).
To ensure that no rogue msiexec.exe is running on your PC, click here to run a Free Malware Scan.
How to recognize suspicious variants? If msiexec.exe is located in a subfolder of C:\Windows, the security rating is 61% dangerous. The file size is 24,576 bytes (42% of all occurrences), 447,488 bytes, 90,112 bytes, 128,000 bytes or 73,216 bytes. There is no file information. The program is not visible. It is located in the Windows folder, but it is not a Windows core file. Msiexec.exe is not a Windows system file. Program uses ports to connect to a LAN or the Internet. msiexec.exe is able to monitor applications and hide itself.
If msiexec.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 60% dangerous. The file size is 142,848 bytes (50% of all occurrences) or 11,264 bytes. The program has no file description. The program has no visible window. It is not a Windows system file.
If msiexec.exe is located in the Windows Temp folder, the security rating is 56% dangerous. The file size is 47,616 bytes.
If msiexec.exe is located in a subfolder of "C:\Program Files", the security rating is 16% dangerous. The file size is 78,848 bytes.
Important: Some malware camouflages itself as msiexec.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the msiexec.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
wmpnscfg.exe hpcmpmgr.exe ustorsrv.exe msiexec.exe command.exe syntpenh.exe backweb-8876480.exe desrcas.dll mhotkey.exe kmservice.exe keyhook.exe [all]