User Guide

User’s Guide 41
Installing VirusScan Software
If your computer runs Windows NT Workstation or Windows 2000
Professional, the wizard tells you that it will format your Emergency
Disk with the NAI-OS.
You must use these proprietary operating system files to create your
Emergency Disk, because Windows NT Workstation v4.0 and
Windows 2000 Professional system files do not fit on a single floppy disk.
If your computer runs Windows 95 or Windows 98, the wizard will offer
to format your Emergency Disk either with the NAI-OS or with
Windows startup files.
2. If the wizard offers you a choice, choose which operating system files you
want to use, then click Next> to continue. Depending on which operating
system you choose, the wizard displays a different panel next:
• If you chose to format your disk with the NAI-OS, the wizard
displays an informational panel.
Follow these substeps to continue:
a. Insert an unlocked and unformatted 1.44MB floppy disk into
your floppy drive, then click Next>.
The Emergency Disk wizard will copy its files from a disk
image stored in the VirusScan program directory. As it does so,
it will display its progress in a wizard panel.
b. Click Finish to quit the wizard when it has created your disk.
Next, remove the disk from your floppy drive, lock it, label it
VirusScan Emergency Boot Disk and store it in a safe place.
• If you chose to format your disk with Windows system files, the
wizard displays a panel that lets you choose whether to format your
floppy disk.
Your choices are:
•If you have a virus-free, formatted floppy disk that contains only
DOS or Windows system files, insert it into your floppy drive. Next,
select the Don’t Format checkbox, then click Next> to continue.
This tells the Emergency Disk wizard to copy only the VirusScan
software Command Line component the emergency .DAT files, and
support files to the floppy disk. Skip to Step 3 to continue.
•If you do not have a virus-free floppy disk formatted with DOS or
Windows system files, you must create one in order to use the
Emergency Disk to start your computer. Follow these substeps: