Get rid of ads on Flickr caused by malware or adware
Flickr Pro includes ad-free browsing. If you're seeing ads and you have a Flickr Pro subscription, then there's malware or adware in your browser forcing their ads to appear.
What are malware and adware?
Malware is malicious software that attempts to steal sensitive information from your computer, send spam, or commit fraud. Adware is software that automatically displays or downloads advertising material (often unwanted) when a user is online. Both are often bundled with other free downloads without your knowledge.
Remove malware and adware
You can try any of the following to get rid of the software, thus removing the ads.