This seems to be known issue with Windows 7. This happens if Apple Bonjour service & Adobe CS3 products running on the system.
Please go through below articles for the same.
Apple Bonjour service
Adobe – CS3
- Disable & Stop C:\Program Files\Bonjour\mdnsresponder.exe
- Run the following command
- “C:\Program Files\Bonjour\mDNSResponder.exe” -remove
This removes the service and restarted the computer to solve the issue.