Copyright (C) Microsoft Corporation, 1998 - 2001.  All rights reserved.
MSIZAP - Zaps (almost) all traces of Windows Installer data from your machine.

Usage: msizap T[A!] {product code}
       msizap T[A!] {msi package}
       msizap *[A!] ALLPRODUCTS
       msizap PSA?!

       * = remove all Windows Installer folders and regkeys;
           adjust shared DLL counts; stop Windows Installer service
       T = remove all info for given product code
       P = remove In-Progress key
       S = remove Rollback Information
       A = for any specified removal, just change ACLs to Admin Full Control
       W = for all users (by default, only for the current user)
       G = remove orphaned cached Windows Installer data files (for all users)
       ? = verbose help
       ! = force 'yes' response to any prompt

CAUTION: Products installed by the Windows Installer may fail to
         function after using msizap

NOTE: MsiZap requires admin privileges to run correctly. The W option requires that the profiles for all of the users be loaded.