If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHX7mSKBdvQCNVMKMkDrnscmBHJRgw6gHwc6sdFR8rTTc5co5guSbqmBnKjXcnEvnuCjaRuhnmgccgnFmVXpRPrxWwxzFLCjjSsj3F97h4jjUp173AGzJJZvTPeCXPnHXL12M27nbHfqu2WYNZTgJ
You can also try to pass an automatic check but with no guarantee.