"This site makes use of a SHA-1 Certificate; it's recommended you use certificates with signature algorithms that use hash functions stronger than SHA-1.[Learn More]" That was in the error console when I loaded it in Firefox 38. Is there a Firewall or an Antivirus that blocks the sites with these type of certs? FIrefox is beginning to phase these out. [https://blog.mozilla.org/security/2014/09/23/phasing-out-certificates-with-sha-1-based-signature-algorithms/] What else, I can only imagine that there might be something going on with the internet connection on the computer if other sites are not working either. However since it is just this site try these steps: *[[Websites look wrong or appear differently than they should]] Did this help?