Windows Installer keeps popping up or starting

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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.

2 Comments

  1. najevi

    I tried some of the methods described above. The “problem” persisted.

    On a hunch I searched for and followed instructions to manually install the Windows 10 Creators update, which was repeatedly failing to install via the automated windows update process. Two and a half days later I see none of those Windows Installer processes in Task Manager.

    The two and a half days involved figuring out that Nvidia drivers needed updating before the Windows 10 Creators update would successfully render a desktop. I also uninstalled Adobe Reader (use Sumatra instead) and Adobe Flash player (just do without flash content) because I read that those are also notorious.

    I can’t be certain but I _suspect_ that the instances of Windows Installer (msiexec.exe) may have been triggered by windows update repeatedly trying to install the Creators update.

  2. Kenji Sousa

    I was having the same problem. I use Windows 10.

    At startup, the self acclaimed “Windows Installer” was running and asking for permission to change system settings. There was no identifier, it just said that the origin was the computer’s hard drive.
    Fortunatelly, by clicking on “show more information”, it showed me the location of the executable file: “C:WINDOWSInstaller”. You won’t find it naturally, since it’s a folder protected by the system, therefore hidden. I scanned the executable file with Windows Defender, and it was recognized as a threat, then it was deleted. After rebooting my computer, there was no “Windows Installer” software running, succes.

    It shouldn’t be believed that this software was really a Microsoft software. Windows updates are done silently, even more so on Windows 10. Everything points to the conclusion that this is a malware, a Trojan virus or similar.

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