Everyone faces problem while installing Warcraft 3 TFT Patch Upgrades. This tools allows you to make warcraft registry entries just by entering your warcraft installed path like "C:\Warcraft 3". It is a great war3 tool and it will be very useful for installing Warcraft 3 1.23 Patch for those people who don't have Original Warcraft 3 copy or they reinstalled windows without removing Warcraft (this causes registry entries to be deleted).
Example of registry error while installing Warcraft 1.23 Patch:
Blizzard PrePatch v2.70 compiled on Jul 7 2003
This program patches Warcraft 3
Log created at 1:40 am on 03/21/2009
Registry error loading key 'Warcraft III\InstallPath'
The system cannot find the file specified.
RESULT: Prepatch failed