- Change your DNS
Open Control Panel → Network and Internet → Network Connections Right-click your Wi-Fi or Ethernet → Properties Click Internet Protocol Version 4 (TCP/IPv4) → Properties Select Use the following DNS server addresses Put: Preferred: 1.1.1.1 Alternate: 1.0.0.1 Click OK and restart Discord.
- If that doesn't work
Download 1.1.1.1 by Cloudflare from their official website. Install it and open the app. Click Connect. Try opening Discord again
Source: r/discordhelp · by /u/Empty_Put_8989