title: Github error: Failed to connect to 443 port
body: <p>I am trying to build appinventor locally on windows 7 using the following document: <a href="https://docs.google.com/document/d/1Xc9yt02x3BRoq5m1PJHBr81OOv69rEBy8LVG_84j9jc/pub#h.5p32kqx16c2d" rel="noreferrer">https://docs.google.com/document/d/1Xc9yt02x3BRoq5m1PJHBr81OOv69rEBy8LVG_84j9jc/pub#h.5p32kqx16c2d</a></p>
  
  <p>I've downloaded all the software listed in section 3 and proceeded building the app inventor by cloning a git repository by running the following git command from a shell: git clone <a href="https://github.com/mit-cml/appinventor-sources.git" rel="noreferrer">https://github.com/mit-cml/appinventor-sources.git</a></p>
  
  <p>I keep getting the following error: failed to connect to github 443 error</p>
  
  <p>I've tired doing a Google search and found this: <a href="https://stackoverflow.com/questions/18356502/github-failed-to-connect-to-github-443-windows-failed-to-connect-to-github">GitHub - failed to connect to github 443 windows/ Failed to connect to gitHub - No Error</a></p>
  
  <p>I'm not at all experienced in this field so I do not understand any of the solutions mentioned, could you please try and help me out by going through the best solution step by step?</p>
  
  <p>I'm working in a company so I can't get the proxy like they mentioned or the firewall might be blocking it.</p>
  
  <p>Thank you in advance!</p>