If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk79gvnuNE4weS5X8E5xX9nCvCvdTYBp1wAffNC9J14EkTVXeJR6qZ6GCWXqHAy7JmkGx2qgrvgNHnxp2yrKaARCu9mVXtGJqyQzdyUK9y7w8eaacW419snHDFafNHU9tUnXRacFgjjNWV5WE5PGAyJYfUgkGqu53UJCVsMsPjAa9UUy3SvrXzCsL1BXPit76k77zQH94gqsodXbqgxY1zcDJn
You can also try to pass an automatic check but with no guarantee.