Look at the registry:

来源: 于 2005-04-30 21:33:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Start with registry editor as,

c:\regedit

find 3721 entry as,

Press Ctrl + F, enter 3721, search for all entries related with 3721, delete them.