Expecting the admin webpage to load as usual.
When attempting to load the webpage recently I get a message that its unable to find the page, where in the past it would load. Recently I restarted my modem/router and then the pi, but that hasn’t caused the webpage to not load before. I did turn off the 2.4GHz on my wifi if that could potentially impact it, but it is connected.
Your debug log shows Pi-hole web server is running and using the default ports:
2026-02-12 09:15:19.406 EST [4046M] INFO: Using SSL/TLS certificate file /etc/pihole/tls.pem
2026-02-12 09:15:19.407 EST [4046M] INFO: Web server ports:
2026-02-12 09:15:19.407 EST [4046M] INFO: - 0.0.0.0:80 (HTTP, IPv4, optional, OK)
2026-02-12 09:15:19.407 EST [4046M] INFO: - 0.0.0.0:443 (HTTPS, IPv4, optional, OK)
2026-02-12 09:15:19.407 EST [4046M] INFO: - [::]:80 (HTTP, IPv6, optional, OK)
2026-02-12 09:15:19.407 EST [4046M] INFO: - [::]:443 (HTTPS, IPv6, optional, OK)
Which URL exactly are you using to access Pi-hole?
Can you access using one of these URLs?
From my bookmark I was using https://192.168.1.170/admin - but as silly as it sounds I wasn’t sure if it was supposed to be https or not so tried without after.
And now I am disappointed in myself as I did not attempt another browser which shows me that it is “unsafe“ but allows me to bypass and I am able to log into it now…Thank you for the time and apologies. Originally used Firefox which just returned a generic cannot connect message where as duckduckgo gave me the security prompt and let me through.
Pale Moon can still behave like Mozilla Firefox once use to do : Accept the self-signed HTTPS Certificate and store it for future use 
It’s my favorite browser for all my networking related equipment!
Most likely the Pi just got a new IP after you restarted the router.
Check your router’s device list and see what IP the Pi has now, then try:
NEW-IP/admin
If that doesn’t load, SSH into the Pi and run:
sudo systemctl status pihole-FTL
If it’s not running, restart it.
Turning off 2.4GHz usually wouldn’t break it unless the Pi was using that band and didn’t reconnect properly.
Say WHAT ?! 
If your Pi-Hole does not have a Static IP Address configuration inside Raspberry Pi OS via Netplan/NetworkManager/SystemD Networking then YOU ARE DOING IT WRONG !!!
Please mind your tone and do not YELL at others.
Configuring a DHCP reservation for your Pi-hole machine in your router would be just as valid.
Wasn’t meant like that LOL! 
Also having both is the best IMHO and not just one of them…
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