If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk79gvnuJpLLgNeREADqZCzmZeEPsFCRZWEn6k2vbw3vQDbaRZgia16SXpwH64zTawhjLwzswPfRu3TxgMCdLsDtS4QymrgkLVGLKnnBiVWUV8QTYsAaBj3FaUrHXVKtZQhxVo7pfthfn6oEy8DBsW2AoJpQJJDysnveGYDvaeVVC76m9BzC1a2hGCURErxDrSeJVok2vuTbUmGjufoKz6UeKG
You can also try to pass an automatic check but with no guarantee.