Important files may be corrupted

Scenario:
"Important files may be corrupted" error shown while running setup CD.

Solution:

1. Insert the NPAV CD in CD drive.
2. Go to My Computer.
3. Right click on CD option.
4. Copy the "installnp.exe" file and paste it to desktop.
5. Right click on setup file and click on "Run as Administrator".
6. Setup will start, click on Next >> Next.
7. Fill up the registration form for activation.
8. Setup done.