As the administrator of your company’s network you are asked to upgrade several Windows NT 4.0 computers to Windows 2000 Professional. 
All user settings and application settings must be preserved. Most applications currently running are compatible with Windows 2000 and all the Windows NT 4.0 computers meet the minimum hardware requirements. After you upgrade several computers to Windows 2000 Professional, you find that some applications did not upgrade properly.  
What utilities and/or applications should be disabled (or removed) before upgrading?（）

Windows NT 4.0 is currently on the system you are using, and you want to install Windows 2000 Professional. Windows NT 4.0 is currently on an NFTS partition. 
For some reason you have decided that you are not going to upgrade, but rather, you are going to run this in a dual boot fashion. 
What do you need to do?（）