Windows Installer Problem

[NEPATEC]

You mentioned that you "downloaded" MSI.DLL . . .

Did you download just this one .DLL? And, if so, are you sure that it is the correct version?

The fastest and most effective way to correct a problem with the MSI engine is to download the latest version from

http://download.microsoft.com/downlo...S/InstMsiA.exe

and run the instmsia.exe file. This will install and re-sync all dependency files that deal with the Windows Installer engine. NEVER replace just one file (especially from some 3rd-party web site) unless you are 100% sure that it is the correct version.

If you cannot run instmsia.exe, simply restart the computer using the F8 option "Command Prompt Only" and delete the following files from your \Windows\System directory:

MSIEXEC.EXE
MSI.DLL
MSIMSG.DLL
MSPATCHA.DLL

Note that these files cannot be deleted while Windows is running, as they are "in use" and locked. You need to be in 'real DOS' to delete or rename them.

Once you have deleted these files, restart Windows in Safe Mode (from the command line, this would be WIN /D:M ) and re-attempt to run the instmsia.exe that you downloaded from the link I've provided.

This will solve the issue.

Mike