How to change\remove Spellcheck Items in SE
Custom.VTD is the file that stores the custom words when using F2 from certain areas in Manager SE. This file may show up in several locations, but these are the correct location.
Documents and Settings\(Current User)\Application data\M1-SK\ShopstreamXt
Open the file with notepad and delete or modify any words you want added to spell check. Close and save the document.