Localhost does not / should not go through your router. Localhost is handed by a virtual network adapter on your computer and connections to localhost never leave it.
There may be something funky with the networking configuration on your computer.
Hey there,
I have seen this happen before and below are the steps that were used to help fix it.
How to fix ERR_CONNECTION_RESET Error Code Problem:-
1. Setup the Maximum Transmission Unit (MTU) –Go to the start menu
Type ‘run’ there & click on it
Open it & type ” ncpa.cpl ” there
Click on OK button or press enter there
A pop-up will open, and you will see the wireless networks there
Again go to the Run & open it
Type “cmd” there & press ok
In the Command prompt, type this below the following command
netsh interface IPv4 set subinterface “Wireless Network Connection 4” mtu=1472 store=persitent
Replace the Local Area Connection with the name of your network adapter
Then, Press Enter
That’s it, Done
2. By netsh winsock reset Method in Cmd –
Go to the start menu
Search or type cmd there
Go to the cmd & right-click on it
Then, click on ‘Run as administrator.’
Type ” netsh winsock reset ” & press enter there
Restart your computer again
That’s it, done
3. Deactivate your Antivirus or Update & S….. Check out more at; Techinpost.com/fixed-error-ERR_CONNECTION_RESET-code-problem
Hey there,
Looks like this was resolved in another topic.
Can you try the following steps and let me know if that works.
https://wordpress.org/support/topic/err_connection_reset-3?replies=12#post-8622191
