If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaGfwFE6LTBwHnRrvqs1aM1twyMFzAhBEvh1Q1PEqwxFenU92bnaN3A6vE193tFVH4VyzLKucFiNsFsawANE6S5HV7arbZzNZFWWfB8oZUmNW5b5kWhjeC8vVJoPSJuKeQgkYLC2AToGyX79J2dDWYNNUgZJKuyKoYUNiqyndtW5kXVLYSgc8Krr6SsVsW2ioebrgBYP8
You can also try to pass an automatic check but with no guarantee.