Windows Installer is a tool specially used to manage and configure software services. Many friends do not know what this means and what the software does. In fact, it is used by the system to install programs and software. A must-have tool.

What does windowsinstaller mean:

Answer: It is a program used by Windows systems to install.

We must use it when installing software. If If it is closed or deleted, software and programs cannot be installed normally.

Detailed introduction of windowsinstaller

1. It is not only an installation program, but also an overall control and management tool. All installation work of Windows is completed by it.

2. When it fails, our system will be unable to install software and programs, and an error message as shown will appear.

WindowsInstaller shutdown method:

First method:

First of all, the premise is that the WindowsInstaller service is enabled (Start---Run---Services.msc, Check the WindowsInstaller service to see if it has been deactivated),

Then find cmd.exe in the windows/system32/ directory (it must be cmd.exe here, you cannot use Start---All Programs--- The command prompt in the attachment, remember! )

Right-click "Run as Administrator" and enter: regsvr32msi.dll and press Enter, it will prompt "DllRegisterServer has been successful in msi.dll"

The second method:

1. First check whether the current user has administrator rights, because many times users with low rights cannot install software.

2. Next, check the WindowsInstaller service from "Control Panel---Services" (or Start---Run---Services.msc) to see if it has been disabled and try to enable it. The service (right click to select).

If it can be successfully enabled, you can try normal program installation or uninstallation again. If you find that it cannot be enabled, sometimes it is disabled by the system, or you see the prompt: "The specified service has been marked for deletion", please continue to download.

3. Go to the Microsoft website to download the latest WindowsInstaller (7 options, please choose according to your system) installation program, and try to reinstall the program. After the installation is successful, repeat step 2

to enable the service, and then try to install the software normally. If you encounter the prompt again when trying to reinstall: "The specified service already exists", continue the installation.

4. From the command line window (Start---Run---cmd), enter: msiexec/unregserver to manually terminate the WindowsInstaller service. Then try step 3 again, reinstall WindowsInstaller and enable the service. If the problem still exists, continue.

5. Use the "Ctrl+Alt+Delete" shortcut key or right-click the system bar with the mouse to activate the Task Manager. Find and end the Ikernel.exe process from the Processes page. Try repeating step 3 again to see if Windows Installer and activation can be completed successfully. If it still doesn't work, continue.

6. Open My Computer, find it from the system disk (the default is usually C drive, please choose your own for dual systems), and delete the WindowsInstaller system installation directory X:\ProgramFiles\CommonFiles\InstallShield\Engine.

In addition, you can also try to use the sfc/scannow that comes with Windows in command line mode to self-repair the system.

Copy the following code to Notepad and save it as "Repair Installer.reg"

WindowsRegistryEditorVersion5.00[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer]"ImagePath"=-"ImagePath"=hex (2): 25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\74,00,25,00,5c ,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\00,73,00,69, 00,65,00,78,00,65,00,63,00,2e,00,65,00,78,00,65,00,20,00,2f,00,\56,00,00,00

Then execute the following command under DOS: msiexec/regserver and press Enter