Ads activated but not working on Win10

Briefly describe your issue:
Hi, I have installed Brave, activated the ads and in 2 days they have never worked.
I recieved this notification:

I have friends that live in the same city and the ads work on their computers.

What Operating System and Brave version are you using ( Menu --> About Brave )?:
Versión 1.23.71 Chromium: 90.0.4430.72 (Build oficial) (64 bits)

Is your browser wallet currently verified? (yes/no) YES
What date did you verify your wallet? 16/4/2021
Have you been able to successfully receive payments in the past? NO
Are you using a VPN? (yes/no) NO
Are you in a supported region (see here for list of supported regions)? YES, Argentina.
Have you manually turned off Auto-contribute on all of your devices linked to Uphold?? YES

I need a solution or I will stop using this browser.

Please repost and adhere to the topic template and we will be happy to assist you. Thank you.