I was browsing on the internet, and suddenly the “dns_probe_finished_bad_config” error appeared. I learned from many sources that this error happens when my device’s DNS server can’t resolve a website address that I have tried to visit. In many cases, this is due to an undiagnosed fault with your device’s DNS settings.

It could be because a DNS server is down or no longer responding. It may also be possible your device’s network settings are incorrect. Chrome, for example, will be unable to load websites if the incorrect DNS server settings are added. It results in a dns_probe_finished_bad_config error (or similar).

DNS_probe_finished_bad_config error problem is platform agnostic. The error appears in Chrome on any supported device (including Mozilla Firefox or Mac). Unfortunately, there isn’t a single cause for this warning. You may take several typical troubleshooting methods to remedy the problem that should work for most customers.


When I modify “Network Connection,” my computer can utilize the DNS address in my router or modem. It is an Internet service provider DNS. I usually advocate using public DNS servers, which you can find in this guide. They are the most popular and have a 99.9% uptime.

You can also look at many alternatives to fix dns_probe_finished_bad_config error.

1. Delete the Cache in Your Browser

While this is unlikely to cause the DNS error, it doesn’t harm to rule it out. You might wish to start using a different browser from the one you’re currently using to visit the website. 

If that doesn’t work, the next logical step is to clear the cache and temporary files of the problematic browser.

  • Press the Three Dots icon in the upper right corner of your Google Chrome browser window to clear the cache for the Google Chrome browser.
  • Select Clear browsing data from the More Tools menu.
  • Alternatively, you can utilize the CTRL + SHIFT + DEL hotkey combination.
Delete the Cache in Your Browser
Delete the Cache in Your Browser
  • You can also adjust the time frame at the top, though the default of four weeks is generally sufficient.
  • To clear your cache, click the Clear browsing data button. Your Google Chrome browser cache has been removed.

2. Change The Preferred DNS Server Manually 

Fix dns_probe_finished_bad_config error message if it still appears in your browser. The next step is to change your DNS settings. Default by your ISP assigns DNS servers.

You can, however, temporarily use a public DNS server like Google.

  • Navigate to “Network and Sharing Center” on the operating system. Right-click on the network adapter symbol in the bottom right-hand corner of your screen and select “Open Network and Sharing Center.”
open the network settings
  • Right-click on your network connections window in the Network window and select Properties from the drop-down menu.
  • Choose “Internet Protocol Version 4 (TCP/IPv4)” under the Networking tab in the window that appears, then the Properties button.
  • Enter the following DNS server IP addresses under “Use the following DNS addresses”:
    • preferred DNS server 
    • Alternate DNS Server 
server alternate dns
preferred dns server alternate dns server
alternate dns server
dns server alternate
  • Click OK when you’re finished. Refresh your browser and try again to access the internet connection.

3. Flush the DNS Cache

If your DNS has recently been changed, whether deliberately or mistakenly. Your system may be attempting to connect to the network using the local cache.

Understandably, you’d get to fix dns_probe_finished_bad_config warning if this is the case.

As a result, cleaning your DNS cache, as well as releasing and renewing your IP address, are the next steps to take. If you’re using Windows 10 or 7, you can use the Command Prompt app to achieve this.

  • Click or hold Windows key /Start button and type “cmd” into the search field to open Command Prompt.
  • On the command prompt, right-click and select Run as administrator Command Prompt menu.
command prompt as an administrator
  • Write the following commands in the Command Prompt window, press Enter after each command:
    • ipconfig /flushdns
    • ipconfig /release
    • ipconfig /renew
ipconfig /flushdns
ipconfig /release
ipconfig /renew

On Mac, add the following DNS server addresses.

  • Select the Apple menu icon > System Preferences from the menu bar on a Mac to do this.
  • Select Network from the System Preferences menu, then choose your network connection from the side menu, then Advanced.
  • Select the DNS tab from the menu. Select the Add icon in the DNS Servers section and then type a public DNS server ( for Google).
  • Add a secondary DNS server, and repeat the process ( for Google). To save, select OK, and then Apply.
  • Restart your Mac after changing the DNS servers.

4. Restart your router

Even if your router is connected correctly, a fast reboot may be required to reset the IP settings. As a result, the initial step you should follow is to restart your router.

Simply hold down the power button to do so. Turn it back on after leaving it off for at least one minute. You might wish to reset your computer while it’s resuming.

Connect to your LAN network or Wi-Fi and try browsing the website again after both devices have been turned back on. If the error still appears, it is time to try to fix dns_probe_finished_bad_config with the following approach.

5. Disable Your Antivirus

Antivirus software, windows defender security center, and VPNs can sometimes conflict with network connections, which is a common problem. They can, in particular, cause problems with your DNS servers.

If the “Fix dns_probe_finished_bad_config” error persists, the next step is to temporarily disable your antivirus software and firewall software.

Here’s a Windows-based example.

  • Click on the Windows icon. Type “windows security” into the search box.
  • Choose Virus and Threat Protection from the left side menu.
windows security
  • Go to your network and switch off your Real-time protection.
Virus and Threat Protection
  • When you are completed, go to Firewall & network protection > Domain network on the left-hand panel.
Firewall & network protection
  • Change the switch to turn off Windows Defender Firewall. Now go back to the webpage and try again.
  • Of course, the procedure will differ depending on the system you’re using and the antivirus and firewall software you’ve installed. If you’re unsure, look up more information in the developer manual for your individual product.
  • You should also disable any WordPress security solutions you’re using. It may cause problems while you’re working on your website.

6. Install the latest network drivers

Suppose you’re still not able to get rid of getting the dns_probe_finished_bad_config error message. We do, however, have one more option, i.e., updating your network drivers.

Network drivers that are outdated or faulty can cause a range of problems, including DNS and network outages. The necessary updates are usually handled through Windows Updates. You can, however, double-check to see if you can manually upgrade to the latest version.

  • Type “device manager” into your taskbar’s search area, then select the Device Manager control panel.
  • On the network driver, right-click and select Update driver from the Network adapters menu.
update network drivers
  • Try reaccessing the website after restarting your computer. The dns_probe_finished_bad_config error notification should no longer appear.

7. Disable Website Blocking Software

If you’re using website blockers or a PN app, turn them off for a while to see if this solves the dns_probe_finished_bad_config error.

After turning off their website filters, some users confirmed that the DNS issues had vanished in the operating system. Please test this solution to see if it also works for you.

For Google Chrome, follow the below procedure.

  • Start the browser and go to the upper right corner of the window to the three dots icon.
open settings in google chrome
  • Press on settings and then privacy and security.
  • Select the “Security” tab, click the “Restricted Sites” icon, and then click the “Sites” button after clicking “Change Proxy Settings.”
  • In the “Managed Websites” section, select the website you want to unblock and click “Remove.” To close the window, click “OK.

8. Delete the Temporary Files

The majority of browsers save temporary files on your device for later use. If any file is corrupted, the dns_probe_finished_bad_config error may occur.

  • In the Windows start menu, type %temp% into the search field on your desktop toolbar then hit Enter.
  • The computer  “temp” directory will open, where you may see a list of temporary files. Delete all files.


To repair a dns_probe_finished_bad_config error in Google Chrome, follow the steps above. You may need to try switching to another browser or resetting Google Chrome to its default settings to investigate further.

The Dns_probe_finished_bad_config is quite simple to fix. If you’re having trouble with the dns_probe_finished_bad_config mistake, use one of the above solutions to fix it.

Frequently Asked Questions

What does bad config mean?

Bad System Config Info is a typical Windows bug check issue produced by a malfunction of the system and registry files and the Boot Configuration Data (BCD) file. Incompatible hardware can also trigger DNS errors.

What is internet protocol version 4/6? 

IPv4 and IPv6 are both binary integers that represent IP addresses. IPv6 vs. IPv4, IPv4 is a 32-bit binary number, whereas IPv6 is a 128-bit binary number. Periods divide IPv4 addresses, while colons divide IPv6 lessons. Both of these methods are used to identify machines that are connected to a network.

Recommended Articles