Problem with Skills Network Labs
Apologies for the inconvenience you faced.
I request you to check your Firewall and VPN settings. They should be turned off and should not obstruct the website. You can also try connecting to a VPN which has a different datacenter.
Also, please try once in different browsers or in incognito mode of the browser.
Please do let us know if you still face the same difficulty.
Regards,
Staff