General course chat

When I’m in the fastai forum and I click on a link to explore, then try to go back to the original page, I get this error (copied below) Has any one else seen this?

I’m running windows 7 64-bit, using the Firefox 63.0.1 (64-bit) browser.

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Corrupted Content Error

The site at https://forums.fast.ai/t/lesson-3-official-resources-and-updates/29732 has experienced a network protocol violation that cannot be repaired.

The page you are trying to view cannot be shown because an error in the data transmission was detected.

Please contact the website owners to inform them of this problem.