I also managed to repro this issue by setting Firefox to use a SOCKS 4 proxy while the proxy service is off, so it’s impossible to load the page. I get the same corrupted content error. So one more point to:
I also managed to repro this issue by setting Firefox to use a SOCKS 4 proxy while the proxy service is off, so it’s impossible to load the page. I get the same corrupted content error. So one more point to: