Sorry to hear; and yes, it's client-sided, not server-sided.
Next thing to try to fix this is to add an exception for the game to both your antivirus/firewall, and try again.
If it still doesn't load, then turn off your antivirus, completely remove your game's files ‒including the temporary files‒, and extract them again from the .zip file, as it worked here :Sing:
same here i tried everything and still stuck...