Solution

1. Update your Browser. Outdated browsers might not be compatible with the latest security protocols, leading to the “Your connection is not private” error message.

2. Clear your browser's temporary files and cookies

3. Flush DNS

   1. How to Flush DNS Mac OS X

      1. Open Finder.

      2. Click Applications.

      3. Scroll down to the Utilities folder and click it.

      4. Open Terminal.

      5. To open Terminal, you could also simply open Launchpad and type in “Terminal” in the search bar.

      6. In the Terminal window, type in the one of the following commands based on your software version:

         1. Ventura & Monterey: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

         2. Lion, Mountain Lion, Mavericks, El Capitan, Sierra, High Sierra, Mojave: sudo killall -HUP mDNSResponder

         3. Yosemite: sudo discoveryutil mdnsflushcache

         4. Tiger: lookupd -flushcache

      7. Enter your password and press Enter again.

      8. You should see a message confirming that the DNS cache has been reset.

   2. How to Flush DNS Windows 10 & 11

      1. Click the Windows logo in the bottom left corner.

      2. Select Command Prompt.

      3. To open the command prompt console, you could also simply press the Windows + R keys at the same time and enter cmd.

         1. You may see a popup asking if you want to allow Command Prompt to make changes to your computer. If you do, select Yes.

      4. In the command prompt window, type ipconfig /flushdns.

      5. Press Enter.

      6. You should see a message confirming that the DNS Resolver Cache was successfully flushed.

4. Use a Different Network. Public Wi-Fi networks are often not secure, which can trigger the “Your connection is not private” error. If you’re on a public Wi-Fi network, try using a different network, such as your phone’s personal hotspot.