DDG acts just like a Adblocker itself. But what other 3rd A/V do you have running as that could also be doing the web filtering as well.

ESET is the only A/V I have other than any Windows products that might be in use. But I haven't made any changes to anything when I started getting the message.

Does that happen on other Browser others then DDG?

I rarely use other browsers but I tried Edge and no message with ad's showing. This morning Firefox didn't show the message but no ad's are showing. So since I only have to close the message when it does show up and everything seems to be working fine I won't worry about it. DDG is just the search engine I use within Firefox. I'll wait to close this until you respond

You can check for issues with Enhanced Tracking Protection and Total Cookie Protection. Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content.

• click the shield icon for more detail and possibly disable the protection

You can check the Web Console for relevant-looking messages like about blocked content.

• https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop
• https://support.mozilla.org/en-US/kb/total-cookie-protection-and-website-breakage-faq
• https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track

If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block content (Adblock,NoScript,DuckDuckGo PE,Disconnect,Ghostery,uBlock Origin,Malwarebytes), always make sure such extensions do not block content.

• make sure your extensions and filters are updated to the latest version
• https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems