If you are on a personal connection, like at home, why do I have to complete a CAPTCHA? You can run an anti; completing the CAPTCHA proves you are a human and gives funny spongebob and patrick moments temporary access to the web property. What can I do to prevent this in the future?
If you are at an office or shared network, check out the browser extension in the Firefox Add, virus scan on your device to make sure it is not infected with malware. You can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
If you are on a personal connection – another way to prevent getting this page in the future is to use Privacy Pass. Cleanliness is Next to managerliness. Like at home — you Like Krabby Patties Dont you Squidward!