If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTbUCs4MzyJM2JnbmdaqcJc2yjmy8NVfZRtTFii5qWnXreLjeKyL75R4rwZFigG21wURafbH25ZL7U8uCGxbKc8h1mJzHfN9hRKmzDc6xW3DvuLhkAjebX3GdEW5bEHBUWL11CHXFRusicaBgkwj3oRv7M8XGdfxdjAT2vd9KnMJDDp9b7sP8VTGN1pfNnt51aTaip9nop
You can also try to pass an automatic check but with no guarantee.