GeForce Now is a brilliant cloud gaming service—when it works. But when you’re hit with error codes like 0xc2720021 or 0x8003001F, the experience crashes hard. If you're stuck at login or can’t launch a game, don’t worry. You’re not alone, and the fix might be easier than you think.
🚨 What Is GeForce Now Error Code 0xc2720021?
This error usually pops up when there’s a server handshake failure or an authentication problem. It can happen due to:
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A corrupted local cache
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Nvidia server-side issue
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Internet instability
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VPN/proxy interference
🔧 How to Fix It
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Restart the App Fully
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Close GeForce Now completely.
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Use Task Manager (Ctrl+Shift+Esc) to make sure it’s not running in the background.
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Clear Cache
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Navigate to:
C:\Users\[YourName]\AppData\Local\NVIDIA Corporation\GeForceNOW -
Delete the
Cachefolder and restart.
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Disable VPN or Proxy
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Nvidia may flag suspicious traffic. Turn off VPNs temporarily.
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Update or Reinstall GeForce Now
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Always use the latest version from the official GeForce Now site.
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Check Nvidia Server Status
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Head to Reddit or Nvidia’s status page to see if it's a wider outage.
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🛠️ Other Common GeForce Now Error Codes (and Fixes)
✅ Error Code 0x8003001F
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Cause: Connection timeout or firewall block
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Fix:
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Disable firewall temporarily
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Add GeForce Now as a firewall exception
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Switch Wi-Fi to Ethernet
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✅ Error Code 0xC0080105
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Cause: Session launch failure due to corrupted temp files
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Fix:
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Run GeForce Now as administrator
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Clear temp files from
%temp%folder
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✅ Error Code 0xC0F22213
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Cause: App data mismatch or old system drivers
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Fix:
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Update graphics drivers via GeForce Experience
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Delete app cache
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Reinstall GeForce Now
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✅ Error Code 0x00000157
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Cause: GPU compatibility or Windows update conflict
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Fix:
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Update Windows
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Run DirectX diagnostics with
dxdiag -
Ensure your PC supports required specs
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📲 Reddit’s Take on Error Code 0xc2720021
On r/GeForceNow, many users facing this issue in 2025 reported success by:
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Switching DNS to Google DNS (8.8.8.8 / 8.8.4.4)
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Rebooting router/modem
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Temporarily logging in on mobile before retrying desktop
✅ Final Thoughts
GeForce Now is a powerful tool for cloud gaming, but occasional bugs like error code 0xc2720021 can ruin the experience. With the right steps, though, these problems are completely fixable. If none of these solutions work, Nvidia support is just a click away.
Stay calm. Stay updated. And happy gaming. 🎮
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