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When restarting, the WINDOVS installer service is turned off. Could not get access to the Windows Installer Installer

When installing programs using MSI files or arbitrarily during computer operation, an error may occur "Could not access the Windows Installer Installer service." Sometimes a failure can take the appearance of "Error Reading File XXX ...", where xxx is the path to the MSI file. Problem Problem - malfunction utility msiexec.exe.

Priority To eliminate the failure, you must make sure that the Windows Installer is running. To do this, press the Win and R keys simultaneously, run the Services.msc command. In a new window, find the Windows Installer string and clap it twice. Here we check that in the "Startup Type" field set "automatically", and in the "Status" field, "started".

Windows Installer Error Solution

If this did not lead to success, then try the following ways:

  1. Re-register installer. For this discover command line with administrative rights. If your Windows is 32-bit, then run such commands in turns:
    • msiexec / Unregister
    • msiexec / Register.

    For the 64-bit OS, other commands are required:

    • % Windir% \\ System32 \\ Msiexec.exe / Unregister
    • % Windir% \\ System32 \\ Msiexec.exe / RegServer
    • % windir% \\ syswow64 \\ msiexec.exe / unregister
    • % WINDIR% \\ SYSWOW64 \\ MSIEXEC.EXE / REGSERVER
  1. Check that all OS files are in integrity and availability.. For this preferably, use SFC or DISM system utilities.
  2. Use special utility from Microsoft.. It is available for download by this link and is intended for automatic correction. windows errors Installer.

This instruction should help if when installing any program in Windows 7, Windows 10 or 8.1, you see one of the following error messages:

  • Windows 7 Installer Service is not available
  • Failed to access the Windows Installer service. This may occur if the Windows installer is incorrectly installed.
  • Could not get access to the Windows Installer Installer
  • You may not install Windows Installer

Another way to correct the error associated with the fact that the Windows Installer Service is not available - re-register the Windows Installer service in the system.

To do this, run the command prompt on behalf of the administrator (in Windows 8 press Win + X and select the appropriate item in Windows 7 - find the command line in standard programsClick on it right-click, select "Run on the name of the administrator).

If you have a 32-bit windows version, then enter the following commands in order:

Msiexec / Unregister Msiexec / Register

This re-registers the installer service in the system, after executing the commands, restart the computer.

If you have a 64-bit version of Windows, then follow the following commands:

% Windir% \\ System32 \\ msiexec.exe / unregister% windir% \\ System32 \\ msiexec.exe / regserver% windir% \\ syswow64 \\ msiexec.exe / unregister% windir% \\ syswow64 \\ msiexec.exe / regserver

And also restart the computer. The error should disappear. If the problem persists, try manually run the service: Open the command prompt on the administrator name, and then enter the command net Start Msiserver. And press ENTER.

3. Reset Windows Installer Service Settings in the Registry

As a rule, the second method is enough to correct the Windows Installer's error under consideration. However, if the problem could not be solved, I recommend to get acquainted with the way to reset the parameters of the service in the registry, described on the Microsoft website: http://support.microsoft.com/kb/2642495/en

Please note that the registry method may not be suitable for Windows 8 (accurate information on this account, I can not.

Windows Installer Service is one of the significant items. operating systemWhich is needed to install the software. This service applies all programs developed for Windows to be if when installing some kind of program, Windows Installer is outside access or simply does not respond, the installation will not be performed.

In most situations, such inscriptions appear on the computer screen:

To solve the task of access to the Windows 7, 8 or 10 Installer service, there are several working methods.

Unavailable Installer Service Windows 7

If there is no access to the installer service, then it is not necessary to immediately engage in reinstalling windows systems, and better - to make some actions to restore its operating functions. To begin with, you need to find out whether the launch of this service has occurred and is it really.

To do this, we take the following actions:

  • need to open list of windows 7 click on the keys Win + R., then enter the command services.msc. in the "Run" window;
  • further in the list you want to find the Windows installer and click on it 2 times;

It is important to know that when launch Windows Installer looks like this:

  • end Stage - Enable automatic launch Windows Installer Services (in the 7th Windows, it is possible to change the type of launch to "automatically"), reboot and re-install the program.

If the first way to correct an error 1719 did not bring any result, then you should try the Windows Installer service to register in the system to be launched on behalf of the command line administrator.

To do this, it will be necessary to find the command line in the standard programs, after which it click on it with the right side of the computer mouse and select "Run on the name of the administrator."

In order to re-register the Windows Installer Service at 32-BB version, you need to enter two commands:

  • first - msiexec / Unregister;
  • second - msiexec / Register.

It is worth considering that after performing these commands, it is necessary to make a reboot of the PC.

To eliminate the error in the 64-bit version, you must enter successively such commands:

1.% windir% \\ System32 \\ msiexec.exe / unregister;

2.% Windir% \\ System32 \\ Msiexec.exe / RegServer;

3.% windir% \\ syswow64 \\ msiexec.exe / unregister;

4.% WINDIR% \\ SYSWOW64 \\ MSIEXEC.EXE / REGSERVER.

After which you need to restart computer device. After such manipulations, the error should be out.

Unavailable Installer Service Windows 10

If there is a question about how to enable the Windows 10 Installer Service, then there are certain actions designed to solve this task. One of the solutions methods is the reset parameters of the Windows Installer service in the registry.

This happens in this way:

  • you need to click on the "Start" key and open the "Run" section;
  • enter team regedit.;
  • in the window that opens, the editor needs to go on the branch - HKEY_LOCAL_MACHINE \\ SYSTEM \\ CURRENTCONTROLSET \\ SERVICES \\ MSISERVER;
  • checking the conformity of the ItemPath item with the value - % Systemroot% \\ System32 \\ Msiexec.exe / V
  • if the indicators have the difference, they need to be balanced by entering the required parameters in the window of this item, which opened after pressing (2 times) with the left side of the computer mouse;
  • running service services.msc..

With a 64-bit version of the system, the WOW64 parameter must be taken into account, whose parameter is equal to zero. At the same time, a hexadecimal calculus system must be used in the properties.

At the end of all manipulations on changing registry parameters required obligatory Make a computer reboot.

If after all methods used and there is no access to the Windows Installer Installer service, you can try the radical method to change the registry settings: Creating a registry file using a notepad program with a subsequent startup file and updating the registry point:

  • after pressing the "Start" key, you need to enter a notebook in the "Search" window;
  • file opening Notepad.exe. in the program "Program";
  • in the notepad window you need to insert the text copied on the official website of the registry update;
  • you need to select "Save As" in the "File" menu and enter the file name. Msirepair.reg.;
  • in the "File Type" window, you must designate all files (*. *);
  • in the "Save" field, you need to mark the desktop, and then the action is directly to "save";
  • to close the notepad you need to click the command Output in the "File" menu;
  • then the desktop requires the right mouse button to open the file. Msirepair.reg. And select the "Startup on behalf of the administrator" section. After entering the required password, you need to click "Continue";
  • after the proposal to set the registry sections, you need to click on the "Yes" item;
  • reinstall the required program.

It should be borne in mind that when using this method, a registry change occurs. So that with this action do not occur critical problemsThe entire parameter reset procedure should be carried out strictly according to the instructions. It is also recommended to create backup Registry as an additional data protection tool. This is done to recreate the registry after serious problems.

Removing outdated version

In some cases, the Windows Installer service cannot be launched due to the presence of an outdated version. It must be removed. This is done by switching along the track "Start" - "Control Panel" - "Programs". In the last point you want to find "Delete / change the program" and use it for the necessary label. As a result, as usual, you need to reboot and re-installation Systems.

If ultimately the Windows Installer service does not start, then you need to do clean installation Windows. It should be noted that before reinstalling the system you need to keep all useful information On any external data storage device, in order to avoid data loss.

Windows Installer Error is one of the most common pop-up problems with the Windows operating system users.

An error may appear independently of your OS version.

Causes of error

You can perform the OS scan using the SFC / SCANNOW command. You need to enter it in the command line window.

You can also run the command line in two ways:

  • Start -\u003e All Programs -\u003e Standard -\u003e Command Line.
  • Start -\u003e Run and enter the name of the program cmd.exe

A few minutes later you will be provided with detailed information about the disks of the OS, spoiled files, problems in the work of services and other system programs.

The command line will not only find a damaged and damaged file, but also replace them with workable.

After scan, close the command line and restart your personal Computer or laptop. Try running the installation process of any executable file.

Microsoft also offers users an automatic utility that is capable of solving the problem of the installation of the installer.

Go to the website of the official website of the company https://support.microsoft.com/ru-ru/mats/program_install_and_uninstall

In the window that opens, click on the "Run Now" key. The utility will restore the correct configuration of the installer.

It is worth noting that the utility does not work with the eighth version of the operating system.

Configuring Installer Access to MSI files

The malfunction may be caused by the fact that the Installer does not have access to MSI files. The user can solve this problem independently.

Follow the instructions below:

  • Find your installation file and click on it right mouse button;
  • Select the properties window;
  • Click the Security Settings tab;
  • In the text field of groups or users, check if there is a user named "System". If it is not, you need to add user manually;

  • To add a new user, click the Edit button and then on the Add button;
  • In the text field of the names of the selected object, write the word "system" (without quotes). If you use the English version of the operating system, enter the SYSTEM word;
  • The entered word should instantly become emphasized as shown in the figure below;

  • Check the box in front of the field full access and now click on the OK button;

Now the installer will be able to access the executable file. Installation must be completed without problems.

Note that in some cases block access to installation file Can antivirus software.

To solve this problem, you need to go to the operating system under accounting Administrator, turn off the antivirus and include in the settings of the antivirus properties compatibility with other versions of the OS, as shown in the figure below.

Windows Installer Error - Methods Solutions

To begin with, why, in principle, this program needs to be needed on the PC, and which functions it performs.


Usually those who failed to access the installer service Windows Installer, fall into a stupor. In this article, we will try once and forever dispel the scary myths about the criticality of this error, consider the highlights and, just in case, other effective malfunctional methods, some will be in the following parts.


Operating system service Windows Installer It is an important link, a small subsystem of your main Windows system. It provides installation (installation) of most programs. Hence the other name is the installer. You cannot use programs without it that requires installation for your work (like this, it is, for some types of programs, the installation is not required, however, since you took up the reading of this article, then the case is another). Has, respectively format .msi. In the letters of this format, there is nothing terrible and incomprehensible, just a reduction from the name of the earlier version Microsoft Installer..


The most common means of informing about faults and errors are the following:

  • Unavailable service installer Windows;
  • The WINTOVS installer service failed to access. This happens usually due to the wrong installed installer of the Windows operating system;
  • Problems with the WINDOVS Installer Service Installer: Failed to access the service Windows Installer Windows 7/8 / XP;
  • The most common problem: WINDOVS INSTALLER Just not installed.

Now let's go to the optimal and effective solutions These troubleshoots.


Your first task will be checking whether the Windows installer service on your OS is launched or not running, and in general, check the list of programs installed in the system. It is possible that you will have to download Windows Installer For Windows 7 x32, if you have such an OS, because It may not be absent on it.


In most cases, ordinary users have PCs. This is the outcome of the reasons to be quite a lot: from the viruses poured on the bad sites to incorrect or incorrectly working programs. However, it is necessary to solve the problem, one way or another.


First you need to check your OS services list. Press for this combination of keys on the keyboard Windows (check box) + R(It is in such a sequence), on the screen of your PC immediately, a window called "execute" should be displayed. Next, to figure out why you can not get access to the service Windows Installer, in an empty field print services.msc. (italics should not be introduced, here I specify it for clarity). There is nothing complicated, everything will be like this:



Next, click on the button called OK.. You will appear in front of you called "Services" . In the list you will need to hurt a little, strain your eyesight and find a service called Windows Installer:



Maybe such that you will not find it - then you need to download for free Windows Installer For Windows 7/8, etc. (this can be done at the end of the page). If found - excellent - click the left mouse button twice, we look at the following pictures. Here you give you examples for OS versions of windows 7 and Windows 8. The discrepancy between them consists only that on Windows 7 the user is available to switch the start parameters between automatically and manually. On Windows 8, it can only be done forcibly.




If you are owned by Windows 7, try to select the automatic type parameter to start the Windows installer. Restart your iron friend after this procedure and try again to install the program you need.


In the event that your attempts to find something relating WINDOVS INSTALLER Not crowned with success, you will need to establish it. On hide-info there is its versions for any windows - for example, Windows Installer x64 for windows 7 download for free which is possible by reference below.


However, if you still failed to solve the problem, and you believe that your access is not limited to anyone, and the old versions of the program have not been detected, you can refer to the "Reset of Service Parameters in the Registry" function. Such information has Microsoft's website. For Windows 8, this method may not lead to the desired result, but, in any case, for its implementation you will need to read well with the official site. However often just enough download Windows Installer For Windows 7 32 Bit and 64 Bit, without changing any changes in the registry body.


Below are references to other methods of combating this problem, download links WINDOVS INSTALLER as well as forum official supportAlthough if you carefully read other methods and do everything according to the instructions, then the official website is no longer useful.