Why do I keep seeing Ads, been trying to set Pi-Hole for 10 hours now

As long as you are seeing that request in Pi-hole's Query Log, that means it is not bypassing Pi-hole.
It also means it could be filtered by Pi-hole, but currently doesn't seem to be on any of your blocking lists.

You can either try to single out the domains, where the following FAQ post might be helpful:

Or you could try to pick some additional blocklists that better match your surfing habits. Have a search on the forums, there are several topics here that centre about general and special interest blocklists, e.g. Best blacklists.