The error 'The remote name could not be resolved: 'isl.punchh.com'' means that the network cannot find the IP address for the name: isl.punchh.com. This is usually a network/DNS error.
In order to resolve this, the brand may need to verify their DNS setting or refresh the DNS cache on the computer.
To refresh the cache, they can:
1. Navigate to Start > Command Prompt
2. Enter ipconfig / flushdns
3. Hit Enter
4. You should see the following message: