"Error 1719. The Windows Installer Service Could Not Be Accessed" Error Message When You Add or Remove Program

1. Click Start, and then click Run.

2. In the Open box, type regedit, and then click OK.

3. Locate and click the following registry key:

HKEY_LOCAL_MACHINE >> SYSTEM >> CurrentControlSet >> Services >> MSIServer

4. In the right pane of the Registry Editor window, double-click ImagePath.

5. 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

6. Click Exit on the File menu to quit Registry Editor.

7. Start your computer in Safe mode, and then register the Msiexec.exe file. To do so:

1. Shut down your computer, and then restart your computer.

2. After the Power On Self Test (POST), press the F8 key.

3. On the Windows Advanced Option menu, use the ARROW keys to select Safe Mode, and then press ENTER. 4. When you are prompted to select the operating system to start, select Microsoft Windows XP edition (where edition is the edition of Windows XP that is installed), and then press ENTER.

5. Log on to the computer.

6. Click Start, and then click Run.

7. In the Open box, type the following line, and then click OK:

msiexec /regserver

8. Shut down your computer, and then restart your computer normally.