Getting hit with a "Game files download error. Check your network settings and try again" message—especially when you're at 90% or higher—is a specialized kind of frustration. This error usually pops up because something is blocking the communication between your device and the game’s servers, whether it's a security wall on your PC or a hiccup in your router's "brain". 1. The "Quick Fix" Checklist
Add your game's launcher to your Windows Firewall "Allowed Apps" list.
If you use Spectrum internet, open the My Spectrum App , go to Services > Router > Advanced Settings , and disable Security Shield . Many users report this instantly fixes the "90% download error". 3. Change Your DNS Settings Getting hit with a "Game files download error
Right-click your game launcher (like Epic, Steam, or Hoyoverse) and select Run as Administrator . This often bypasses local permission blocks that stop file writing.
Set "Preferred DNS" to (Google) or 1.1.1.1 (Cloudflare). Set "Alternate DNS" to 8.8.4.4 or 1.0.0.1 . Many users report this instantly fixes the "90%
Sometimes your ISP's default "translator" (DNS) fails to find the game server. Switching to a more reliable one can fix constant network timeouts. Go to . Edit your DNS Server Assignment .
The problem might not be you. Check the official Xbox status or the game's official Twitter/X account to see if their servers are down. 2. Bypass Your Security Software flagging large game downloads as suspicious.
Modern firewalls and antivirus programs are often too aggressive, flagging large game downloads as suspicious.