You may have faced DNS_PROBE_FINISHED_BAD_CONFIG error on your chrome or any other browser while accessing internet. This Error occurs when there is some issue with your modem or DNS server settings. As the error code name says this is a DNS related error. DNS is used to translate names of websites in their respective IP addresses. This error can be easily fixed by changing your DNS server, While there are also some other basic troubleshooting methods which may help you out in fixing this error.
I have written three troubleshooting methods using which you can easily fix DNS_PROBE_FINISHED_BAD_CONFIG Error. First two are just normal troubleshooting steps which is usually used to troubleshoot common network errors.