When this message appears when copying files from network shares

These files might be harmful to your computer

  • Click Start / Control Panel / Internet Options
  • Click Security tab.
  • Click Local Intranet
  • Click Sites button.
  • Click Advanced button.
  • Enter the IP Address of the other machine or server (wildcards are allowed) and click Add
  • Click Close, then OK, then OK again.
  • Disconnect, and reconnect the network drive

Changing Internet Options screenshot


  • If you are using a DNS name to map the network drive, adding the IP address of the server to the zone will not work. You will need to add the DNS name, and vica-versa.
  • When adding an IP address, you can use wildcards like so: 192.168.1.*
  • Whan adding a DNS name, you can use wildcards like so: *.example.com