When using ChatGPT, if you run into a white screen, an endless loading spinner, messages that won’t send, or upload failures, it’s usually not that your “account is broken,” but rather that browser cache, network routing, or permission blocks are causing trouble. Below is a troubleshooting sequence for the most common ChatGPT error scenarios, aiming to pinpoint the issue with as few steps as possible.
Start with three basic ChatGPT troubleshooting steps
First, switch networks: move from a company/campus network to a mobile hotspot, or vice versa, to rule out ChatGPT connection issues caused by proxies, DNS, or firewalls. Next, open ChatGPT in an incognito window and temporarily disable extensions such as ad blockers, script managers, and privacy protection tools—many “endless loading spinner” issues are related to extensions blocking API calls. Finally, clear the site data (cache and cookies) for chatgpt.com in your browser, reload the page, and log in again; this usually fixes refresh loops and blank pages.
How to handle ChatGPT login getting stuck and CAPTCHA loops
If ChatGPT login gets stuck on the verification page or CAPTCHAs keep reappearing, first switch browser engines (e.g., swap between Chrome and Edge) and turn off “strict tracking protection/anti cross-site” features. If your system time is inaccurate, it can also trigger login signature validation failures—set your computer and phone time to sync automatically, then try again. If it still doesn’t work, log out of ChatGPT and log back in; if necessary, reset your password to avoid repeated redirects caused by old session tokens.
Conversation load failures, messages not sending, and streaming interruptions
If the ChatGPT conversation list won’t load or it keeps spinning after you send a message, first create a new empty chat to test whether it’s “a single conversation is corrupted” or “a global outage.” If streaming replies get interrupted, reduce the length of each input and split long tasks into multiple turns to lower the failure probability under network jitter. If both the web and app are unstable on the same network, it’s recommended to check the status page to see whether the service is fluctuating; continuing troubleshooting after that can save time.
File/image upload failures and files that won’t parse
Common causes of ChatGPT upload failures include files being too large, unsupported formats, or blocked browser permissions; first convert the file to a more universal format like PDF/PNG and compress it to a smaller size before trying again. Then check whether the browser is blocking the site from accessing the clipboard/files, or whether “block third-party cookies” is enabled—either can prevent the upload component from working properly. If you see “failed to open/can’t parse,” first confirm the file isn’t encrypted or corrupted; exporting a fresh copy from the source is often faster.
If it still doesn’t work: collect information before reporting for better results
Once you’ve reached this stage of ChatGPT troubleshooting, it’s recommended to record the error message, time of occurrence, network environment (whether a proxy is used), browser version, and reproduction steps, then submit them via in-app feedback. When taking screenshots, try to keep the address bar and error pop-ups visible so support can more easily determine whether it’s a regional network issue, account risk controls, or a front-end cache problem. A temporary emergency workaround is to log in once using a different device or network so ChatGPT regenerates the session token—many “mysterious glitches” will disappear immediately.
