Rockwell Automation 1784-PCC ControlNet Communication Card Installation Instructions - Manual (Page 59)

Install and Use the 1784-PCC Card in Windows NT 4-9
Publication 1784-IN034D-EN-P - June 2002
8. Press Enter or click Ok.
You see:
9. If you have CardWare installed, you may see the following screen. Press
Enter or click Ok to continue with the installation.
IMPORTANT
If you have programs running, click Cancel to exit the
installation process and exit the programs. After you exit the
programs, re-start the install process.