How to fix “The format of the request is invalid. [ERROR_INTERNET_INCORRECT_FORMAT (0x2EFB)]” – Error Code 12027

Overview

In this article, we’ll focus on resolving the issue described as: “The format of the request is invalid. [ERROR_INTERNET_INCORRECT_FORMAT (0x2EFB)]”. This error, identified by the error code Error Code 12027, can impede your system’s performance, and here’s how you can fix it.

Identifying the Problem

Error Code 12027 is an error that can occur due to issues with the format or structure of a request made to the system. This error is usually seen in scenarios where a program or application tries to access or use a feature that requires a specific format or structure of data.

Common Fixes

Restart Your Device: This simple solution can often resolve temporary software glitches that may have triggered the error.

Clear Browser Cache and Cookies: Corrupted cache and cookies can interfere with the proper loading of web pages, leading to this error. Clearing the cache and cookies can often fix it.

Reset Internet Options: Go to Internet Options through the Control Panel, select the Advanced tab, and click Reset. This resets the browser settings to their defaults, which may resolve the error.

Scan for Malware: Malware infections can disrupt system functions, leading to various errors. Run a thorough malware scan to detect and remove any potential threats.

Update Network Drivers: Outdated network drivers can cause communication issues, resulting in this error. Check for driver updates and install the latest versions.

Advanced Troubleshooting

Check Third-Party Applications: Certain third-party applications can conflict with system processes. Try disabling or removing any recently installed applications that may have triggered this error.

Repair System Files: Open an elevated Command Prompt window, type “sfc /scannow,” and hit Enter. This command scans and repairs any corrupted system files that may be causing the issue.

Reinstall Operating System: If all other steps fail, a system reinstall may be necessary. This option reinstalls the operating system, eliminating any persistent errors or corruptions that may be causing the Error Code 12027.

Conclusion

Error Code 12027 can be resolved with the fixes outlined in this article. Remember to restart your device after performing any changes. Additionally, ensuring that your system is up-to-date with security patches and software updates can prevent many common errors, including Error Code 12027.