If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaGjjtHxjToQz9X3LEG5JehqfpE9RXWE5Fy8Rg69wLq6j5UpraVgbryF4iyN8USoWPwci6gZDAeHdxKh2uk59xENsV25QVcZGKUsJNARv3rVFUtJW67p4UCnWpY9VHPR6qeHAc2sz33S72HdJSxnNZYfhjc6ZVxgZ1bAi3i8eUYkj2veLuADpJYYS21ZP3aozE8oLmv38
You can also try to pass an automatic check but with no guarantee.