Instructions
Click the "Start" button on the bottom left side of the computer. Select "Programs" and "Warcraft III"
Click on the "Warcraft III: The Frozen Throne Uninstall" icon. Click "confirm" on the uninstall window that pops up. The removal process will begin.
Repeat step one. Right click any (empty) Frozen Throne folders and click "delete."
Right click your Recycle Bin on the desktop. Click "Empty Recycle Bin."