Introduction

During installing a software, a user may get the following error message:

The Windows Installer Service could not be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance.

Sometimes an error code 1719 is also provided in the error message dialog box.

In this WiKi article how to resolve this problem will be discussed.

How to Find Which Windows Installer Version is Running

In Windows 10, the Windows Installer Version is V 5.0.17134.228. To determine this in Start Search box type msiexec and hit the Enter key.


How to Fix

Windows Installer Service Status

Make sure that the Windows Installer Service is running. To check this go through the following steps:

  • In Start Search type Services.msc and hit the Enter key.
  • Locate Windows Installer Service.
  • Right click on it and select Properties.
  • Make sure Startup type is Automatic and Service status is running. If stopped then click the Start button.
  • Click OK or, Apply.

Re-register Windows Installer Service

Press Windows key + X and select Command Prompt (Admin).

Type the command below and press Enter after the command:

msiexec /unregister msiexec /regserver

Restart your computer and check for status.

Running System Checker Tool

First run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.

Type the following command as Administrator, and then press Enter. It may take several minutes for the command operation to be completed.

DISM.exe /Online /Cleanup-image /Restorehealth

Once completed, at the command prompt, type the following command, and then press ENTER:

sfc /scannow

Reboot. 

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