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"Error 1719. The Windows Installer Service Could Not Be Accessed" Error
Message When You Add or Remove Program
The information in this article applies to:
Microsoft Windows XP Professional
Microsoft Windows XP Home Edition
IMPORTANT: This article contains information about modifying the registry.
Before you modify the registry, make sure to back it up and make sure that
you understand how to restore the registry if a problem occurs. For
information about how to back up, restore, and edit the registry, click the
following article number to view the article in the Microsoft Knowledge
Base:
Q256986 Description of the Microsoft Windows Registry
SYMPTOMS
When you attempt to add or remove a program on your Microsoft Windows
XP-based computer, you may receive the following error message:
Error 1719. The Windows Installer Service could not be accessed. You may be
running in Safe mode or Windows Installer may not be correctly installed.
CAUSE
This behavior can occur when you attempt to add or remove a program that
uses the Windows Installer Microsoft Software Installation (MSI) package
file (.msi). For example, Microsoft Plus! for Windows XP uses the Microsoft
Software Installation package file.
RESOLUTION
To resolve this behavior, follow these steps.
WARNING: If you use Registry Editor incorrectly, you may cause serious
problems that may require you to reinstall your operating system. Microsoft
cannot guarantee that you can solve problems that result from using Registry
Editor incorrectly. Use Registry Editor at your own risk.
Click Start, and then click Run.
In the Open box, type regedit, and then click OK.
Locate and click the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer
In the right pane of the Registry Editor window, double-click ImagePath.
In the Edit String dialog box that appears, make sure that the string in the
Value data box contains the correct path to the Msiexec.exe file. The
following is the correct path, where C is the drive in which Windows is
installed:
C:\Windows\System32\msiexec.exe /V
Click Exit on the File menu to quit Registry Editor.
Start your computer in Safe mode, and then register the Msiexec.exe file. To
do so:
Shut down your computer, and then restart your computer.
When you see the Please select the operating system to start message, press
F8.
On the Windows Advanced Option menu, use the ARROW keys to select Safe Mode,
and then press ENTER.
If you are have a dual-boot system or multi-boot system, select Microsoft
Windows XP from the list that appears, and then press ENTER.
Log on to the computer.
Click Start, and then click Run.
In the Open box, type the following line, and then click OK:
msiexec /regserver
Shut down your computer, and then restart your computer normally.
MORE INFORMATION
For additional information about Windows Installer technology, please see
the following Microsoft Developer Network (MSDN) Web site:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/over_2f
jm.asp