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ChatGPT error code 1020: What is it and how to fix it?

ChatGPT has rapidly gained immense popularity as an online service. Remarkably, it achieved the milestone of exceeding 100 million monthly active users faster than any other platform in internet history. Nevertheless, due to this exponential growth, certain users may encounter issues. Recently, there has been a notable increase in complaints regarding the occurrence of “Error 1020” or “Access Denied” error messages. Here are some troubleshooting steps you can take to resolve this problem.

Why is ChatGPT showing error code 1020?

The surging popularity of ChatGPT has made it an attractive target for cyberattacks. You might have observed that during peak usage periods, the chatbot’s responsiveness may slow down or become inaccessible. Yet, these delays are not solely the result of legitimate user demand. Malicious entities can also disrupt OpenAI servers through denial-of-service attacks.

In order to counter these attacks, ChatGPT uses a firewall system that safeguards your browser and verifies your IP address to ensure your identity as a legitimate user. You have likely encountered the message that says, “Please wait while we check your browser,” and in the majority of instances, you should gain access.

Error 1020 may indicate a problem with your browser or Internet connection.


Nonetheless, false alarms may occasionally arise from incorrect Internet settings, a session with suspicious browser activity, or other related factors. In such cases, ChatGPT will merely present an “Error 1020: Access Denied” message.

📚 Also Read: How to Fix Chat GPT Error 429

How to fix ChatGPT error code 1020?

ChatGPT might show the “Error code 1020: Access Denied” message for various reasons. Consequently, you may need to explore several solutions to identify the one that resolves your issue. The good news is that the majority of these solutions require only a few seconds of your time, so there’s no need to be concerned.

Here are some steps you can take to address the “Error 1020: Access Denied” message:

Refresh the page

In most cases, a simple page refresh (or two) can eliminate the Error 1020 message. Alternatively, try closing the tab and directly accessing the ChatGPT login page.

Check if ChatGPT is down

While ChatGPT is generally robust, it’s not completely immune to occasional outages. It’s possible that ChatGPT may be experiencing issues, affecting not only you but also others trying to use the service simultaneously.

Try a different web browser:

If there’s a rogue extension or a misconfigured setting in your current web browser causing the blockage, switching to a different web browser such as Edge, Firefox, or Chrome may resolve the issue.

Disable active VPNs

If you’re currently using a VPN service or have one enabled in the background, disabling it and attempting to access ChatGPT again can be effective. Attackers often use VPNs to conceal their identities, which can trigger a firewall block.

Restart your router

Sometimes, ChatGPT’s firewall may block your IP address if it detects suspicious activity. Restarting your router will assign you a new IP address, which can help bypass the Access Denied message.

Clear ChatGPT Data

Clearing your ChatGPT browsing data can be a helpful step in resolving errors you’ve encountered on the website, including the ChatGPT error code 1020. Here’s how you can clear ChatGPT data on Google Chrome:

Step 1: Open Chrome and go to click three dots and choose Settings.

Step 2: Tap on Privacy and security > Cookies and other site data > See all site data and permissions.

Tap on Privacy and security Cookies and other site data See all site data and permissions.

Step 3: Type OpenAI into the Search field to find all the cookies regarding ChatGPT.

Step 4: Click on the trash icon next to each displayed item and click the Clear button.

Click on the trash icon next to each displayed item and click the Clear button


Why is ChatGPT showing error code 1020?

ChatGPT may display error code 1020 due to the increasing popularity of the platform, making it a target for cyberattacks. During high-demand periods, the chatbot’s responsiveness can slow down or become inaccessible, not only due to legitimate users but also due to malicious entities attempting to disrupt the service through denial-of-service attacks.

How does ChatGPT protect against cyberattacks?

ChatGPT uses a firewall system to protect against cyberattacks. It verifies your browser and IP address to ensure you are a legitimate user. You may have seen the “Please wait while we check your browser” message, which is part of this security process.

What can trigger the “Error 1020: Access Denied” message?

The “Error 1020: Access Denied” message can be triggered by various factors, including incorrect Internet settings, suspicious browser activity, or issues with your connection. These can sometimes lead to false alarms.


ChatGPT’s rapid surge in popularity, crossing 100 million monthly users, has also attracted cyber threats, resulting in the “Error 1020: Access Denied.” This article offers quick fixes like refreshing the page, checking for outages, and disabling VPNs, alongside the effective step of clearing ChatGPT data. With these solutions, users can mitigate issues arising from ChatGPT’s exponential growth and enjoy a smoother experience.


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