If you have this message, your computer may be infected by a DNSChanger malware.
To resolve the issue, perform any of the solutions below:
Choose your operating system for instructions in changing your DNS server address:
For Windows XP:
- Go to Start > Control Panel > Network Connections.
- Right-click Local Area Connection, then select Properties.
- Click Internet Protocol (TCP/IP), then click Properties.
- Check the value of the Preferred DNS server field and Alternate DNS server field.
If the value is 85.255.xxx.xxx (where xxx represent numbers), select Obtain DNS server address automatically. - Click OK twice, then close the window and check if the issue persists.
For Windows Vista and Windows 7:
- Go to Start > Control Panel > Network and Internet.
- Click Network and Sharing Center.
- Click Manage network connections on the left pane.
- Right-click Local Area Connection, then select Properties.
- Click Internet Protocol Version 4 (TCP/IPv4), then click Properties.
- Check value of the Preferred DNS server field and the Alternate DNS server field.
If the value is 85.255.xxx.xxx (where xxx represent numbers), select Obtain DNS server address automatically. - Click OK twice, then close the window and check if the issue persists.
To flush your DNS:
- Open your Command Prompt by doing either of the following:
For Windows XP:
- Go to Start > Run.
- Type "cmd" on the Open field, then press Enter.
For Windows Vista and Windows 7:
- Click Start.
- Click the Search programs and files or Start search field.
- Type "cmd" then press Enter.
- Type "ipconfig /flushdns" on the Command Prompt window, then press Enter.
- Close the Command Prompt window when you receive a message that the DNS has been flushed.
- Check if the issue persists.
- For Firefox Browsers
Refer to the following Mozilla articles:
- Clearing private data (remove your browsing history and temporary Internet files)
- Resetting preferences (restore your browser’s original settings)
- For Internet Explorer Browsers:
To reset Internet Explorer to its original settings, do the following:
- Open Internet Explorer.
- Click Tools > Internet Options.
- Click the Advanced tab.
- Click Restore advanced settings, then click Reset.
- Click Apply, then OK.
If the issue persists after performing the steps above, it is possible that there is DNS poisoning or changes in your router. In this case, you need to reset or change the DNS settings on your router directly. To do this you can either:
- Look for the instructions in your router’s manual or support site
- Contact your network administrator or Internet Service Provider for support