Follow this troubleshooting and know everything about ChatGPT access denied. More than 9 solutions will be provided to fix ChatGPT error code 1020.

ChatGPT Access Denied
Have you ever encountered the “ChatGPT Error Code 1020: Access Denied” error when asking questions in ChatGPT? This error code 1020 typically indicates no access to this site. It occurs when your IP address is flagged as a spam IP address.
Lack of permissions, Internet connection, or misconfiguration can cause users to receive a ChatGPT access denied message。
Luckily, we will explore potential causes and provide solutions to resolve the error.
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Use ChatGPT Alternative to Fix Access Denied
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Incorrect or insufficient permissions may cause error 1020 Access Denied on ChatGPT. Different permissions give different scopes of activity.
If you are unable to access ChatGPT, you can first try checking your current permissions with the administrator, and then, obtaining permissions from the site owner.
Then, ensure you enter the correct IP and password when logging into your account.
Excessive website traffic can cause IP address blocking and server overload, so the system may restrict more users from accessing ChatGPT. To do this, please perform some simple tasks:
Also, if ChatGPT’s daily usage limit is exhausted, try using its free alternative – PDFgear Chatbot. This tool is perfect when you meet the ChatGPT not working issues.
If you are involved in an unsecured activity or have an unsecured network, the system will flag your IP address. This is why the ChatGPT error code 1020 appears, which means that your IP address may be malicious, fraudulent, or spammy.
Please use an online tool such as WhatIsMyIPAddress.com or IPVoid.com to check if your IP address has been blacklisted or associated with suspicious activity.

Check If IP Address Is Blacklisted
ChatGPT error code 1020 may appear when there is a problem with your Internet connection or if your Internet settings are misconfigured. Try changing or using a different Internet connection:
If on a Windows computer, hold down Windows + R to open Settings > Network & internet > Wi-Fi and select a different Wi-Fi network.

Change Internet Connection and Fix ChatGPT Access Denied
For mobile users, please try switching to a different mobile data or hotspot and accessing ChatGPT again.
Sometimes, the access denied error 1020 code can be caused by a corrupted browser cache and cookies. To do this, you need to clear ChatGPT’s browsing data in Chrome, Firefox, or Edge. This may help you get rid of the access denied error.
Here are the steps on how to clear ChatGPT data on Google Chrome:
Step 1. Open Chrome, select the three dots in the top right corner, and click on Settings.
Step 2. Click on Privacy and Security and select Cookies and other site data.

Clear chatgpt’s cookies in google
Step 3. Type OpenAI in the upper right corner and find all cookies about ChatGPT.
Step 4. Click the trash icon to clear all cookies.
A VPN or proxy server may also interfere with ChatGPT and cause error codes to appear. Attackers often use VPNs to mask their identities, so firewalls may block them.
If you are using a proxy server or VPN, disconnect or disable the VPN before trying to access ChatGPT again.
Step 1. Open Windows Settings > Network & internet > VPN.

Turn Off the VPN to Fix ChatGPT Inaccessibility
Step 2. Turn off VPN options and settings on the VPN screen.
Malicious extensions in web browsers may block ChatGPT access. For this reason, try disabling browser extensions.
Using the Chrome extension as an example, try disabling the extension and re-accessing ChatGPT:
Step 1. Open Google Chrome and click the three dots in the top right corner > Extension > Manage Extension.

Disable Extensions to Fix ChatGPT Errors
Step 2. Disable all the extensions on your browser in turn.
If the problem persists, there may be other browser configuration errors, such as setting some options that prevent ChatGPT from being accessed. For this reason, try resetting your browser to fix your issue.
Also, if the problem persists in one browser, try accessing ChatGPT using another web browser (e.g., Edge or Firefox) to see if the problem is browser-specific.
If the browser error cannot be resolved through the above methods, there may be other browsing configuration issues. Try restarting the required communication between the device and the network. A network reset allows you to make changes to the network program.
If you are familiar with the command prompt, refer to the following command parameters to run network commands:
Step 1. Press and hold Windows+R to open the Command Prompt and type cmd.
Step 2. Input the command: netsh winsock reset and press Enter to undo the configuration made to the Winsock directory.

Run the Network Command to Fix ChatGPT
Or, you can also use the netsh int ip reset command and press Enter to reset the TCP IP.
In conclusion, encountering the “ChatGPT Error Code 1020 Access Denied” error can be frustrating. But, you can troubleshoot and resolve the access denied issue by following the solutions. This error can be fixed by resolving browser and network-related errors.
However, to solve the problem faster, it is highly recommended that you use ChatGPT’s best alternative—PDFgear Chatbot, which can break through the limitations of ChatGPT and provide more advanced features.