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ChatGPT FAQ: Unable to send messages, verification codes not received, and restricted access

2/27/2026
ChatGPT

When using ChatGPT, what most often trips people up isn’t not knowing how to use it, but suddenly being unable to send messages, not receiving a verification code when logging in, or seeing a prompt that access is restricted. Below is a ChatGPT FAQ organized by the most common scenarios, using the shortest possible steps to help you pinpoint the issue and get back to using it.

Unable to send messages: keeps spinning or shows “request failed”

When ChatGPT won’t send messages, first check whether it’s a browser issue: if refreshing still doesn’t work, clear the site cache and cookies, then log in again. Many cases where “it opens but can’t send” happen because an old session or cached data is blocking the request.

If you have ad blockers, script managers, or privacy-related extensions installed, try temporarily disabling them all and testing again—especially plugins that modify request headers or block scripts. Finally, test with a different browser or an incognito/private window to quickly determine whether it’s an account issue or an environment issue.

Verification code not received: no email, no SMS

If you don’t receive a verification code when logging in to ChatGPT, first check the spam folder, promotions tab, and email filtering rules—many emails are automatically categorized or blocked. Add the sender domain to your allowlist, then click “Resend” once; this is more effective than repeatedly refreshing.

If you use a corporate or school email account, security policies may delay or outright block external verification emails; switching to a commonly used personal email is usually more reliable. If you’re not receiving SMS codes, confirm your signal is normal, that SMS blocking isn’t enabled, and avoid retrying too frequently in a short period, which can trigger risk controls.

Restricted access or login anomalies: region, network, and risk-control prompts

If you see prompts like “Unable to access” or “Login abnormal,” prioritize checking your network: switch to a more stable network environment and avoid public Wi‑Fi or frequently changing exit nodes. ChatGPT is more sensitive to abnormal traffic, and network instability can also cause repeated disconnects.

If you’re repeatedly asked to verify or see suspicious-activity warnings, log in on the same device and browser first, and don’t switch accounts frequently across multiple devices at the same time. If necessary, change your password and enable more reliable account security settings, then observe for a while to see whether stability returns.

Chats missing or history fails to load: how to check sync and local issues

The ChatGPT conversation list can occasionally load slowly. First confirm the page hasn’t simply failed to finish loading: wait a moment and refresh, or log out and back in once. If you switch between multiple devices, synchronization may also be delayed in the short term, making it look like “the chats are gone.”

If history is missing only in a specific browser, it’s usually due to local cache or extension interference; clearing the cache and disabling extensions as described above is the easiest approach. For important content, it’s recommended to export or save a copy in time within ChatGPT, rather than relying solely on a single page to display the results.

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