Can you repost the full link ? The one you mentioned is missing 1 part.
try this.
https://login.sony-asia.com/sonyadb2c.onmicrosoft.com/oauth2/v2.0/authorize?p=b2c_1_b2c_portal_sgnupsgnin&client_id=e3264ed8-3df2-44b8-a699-c0291d7625ef&redirect_uri=https%3A%2F%2Fweb.sony-asia.com%2Fsg%2Fmysony-sg%2F&response_type=id_token&scope=openid&state=OpenIdConnect.AuthenticationProperties%3D-5gAHkT49B0zkuK5y8KarzKiSSySXVTZiYIS8sA6h7-kIsgM2hKPYnI51AJvJY0M4RRA69bA8yxIQaa7b4Ae4gFXULp3Sg9TM3lf3jDLxxYp8TeQDSat6C969x657M0SEDs7w_DtWDTHt_HB8B_WjIfd65CapAq08dJ2IFCIzZMjknPwGAc7ZrjsLgQg_kmksuUEabrzxQw_OsnpzfUOZZkywLdyYIOXogeo3fsuMovOqrcc3b63tyLl7FC6RLPe3vq32ssmaZQwZUycAd1kQUo31oaTMBT66OJCw3SeL0AM4bTXOGWQZo68OXDUzkis2j5v-i-0hzW_Zw_GyX42fwHnuIdtsiO5M_tgpUiOuaJ2gO6CUEUtLzkF6VdPX1vi&response_mode=form_post&nonce=637417124376423979.MjFlYmZlZTQtYzY4OS00N2UxLWJiZWEtYWYwNjZlN2I0NzFlY2JkNmEzYzgtYTU0Yi00ODMyLThlNjktMTRkNWQ2ODc4Y2Rk&x-client-SKU=ID_NET461&x-client-ver=5.3.0.0

i also did a force power when WatchDog hang on me.
