When using ChatGPT, the most frustrating thing is often not that you don’t know how to use it, but getting stuck on verification codes, frequent errors, or conversations suddenly cutting off. Below is a symptom-based ChatGPT troubleshooting guide that clearly lays out the steps you can handle yourself in one go. Most issues are related to the browser environment, network routing, and request frequency.
Verification code not received: First rule out email and browser blocking
If ChatGPT login gets stuck on verification or you can’t receive the verification email, first check the spam/promotions folder and whitelist OpenAI-related domains. Then check whether your email has “reject unknown senders” enabled or whether your corporate mailbox blocks external emails—settings like these most commonly swallow verification codes outright.
Browser-side issues are also common: retry in an incognito window, and log in again after disabling ad blockers, script managers, and privacy/anti-tracking extensions. If Cloudflare’s human verification keeps failing to load, turn off your proxy/VPN first, or switch to a more stable network before continuing your ChatGPT troubleshooting.
429 Too Many Requests: Don’t keep hammering—reduce frequency first, then switch entry points
Seeing a 429 usually means your requests are too frequent or you triggered rate limiting in a short time; repeatedly clicking will only make recovery take longer. Stop for a few minutes and try again, and reduce concurrency: don’t keep sending from multiple tabs at the same time, and don’t let third-party plugins poll in the background.
If multiple people share the same network, the combined traffic may trigger rate limits; in that case, switching to a mobile hotspot or changing your network egress is more effective. In a conversation, try breaking your question into smaller chunks—this reduces retries and also helps ChatGPT respond more reliably.


