Hi,
When you try to add or remove a program, 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 may occur if the following conditions are true:
- The Windows Installer files that are on your hard disk are damaged or
are missing. -and-
- You install or remove a program that uses the Windows Installer
Microsoft Software Installation (MSI) package file (.msi). For example,
this may occur when you try to install Microsoft Office on your
computer.
RESOLUTION
==========
http://support.microsoft.com/?id=315346
this articles tells everything about this problem
Abhijeet Nigam, MCSE,A+,CCNA
This posting is provided "AS IS" with no warranties, and confers no rights