nghttp3.dll - Missing DLL Error Fix for Windows
★★★★★ Verified File (16.07.2026) The file was obtained from the pack WiresharkDescription
Creation date: 07.04.2025 11:44:26
Antivirus scan: ✅ OK
Category: Runtime
File size: 144.8 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.
Digital file signature nghttp3.dll
Publisher: Wireshark Foundation
Issuer: Sectigo Public Code Signing CA R36
Encryption algorithm: SHA256
Time stamp: Oct 9 01:09:17 2025 GMT
Signature status: valid
nghttp3.dll is a dynamic link library (DLL) file used in Windows systems. DLL files are essential for the operation of many applications and services, as they contain code and data that can be shared by multiple programs. This specific file supports HTTP/3 protocol functionalities, which include multiplexing, prioritization, header compression, and more.
SHA-1: 59a291cc79a7240e1ce9b9cdaf70acc0a5ec00ef
SHA-256: 2e712a9d524a5741a81f320874e8ca621097a7e7f4fba21d25339f36413d158d
Where it is Used
The nghttp3.dll file might be associated with applications that support the latest versions of the HTTP/3 protocol. It could be used by browsers, web servers, or any software that requires advanced HTTP functionalities.
File Security
The file characteristics indicate that it is a safe and legitimate DLL. The presence of VCRUNTIME140.dll and other standard runtime libraries suggests it is not malicious. However, always be cautious when dealing with unknown files or errors.
The code execution cannot proceed because nghttp3.dll was not found
Failed to load nghttp3.dll
The procedure entry point ... could not be located in nghttp3.dll
1. Download links:
2b. Also try to copy to bin, lib folders.
2c. Try to copy nghttp3.dll C:\Program Files (x86)\Your program\
👉 Prior to replacing the files, back them up.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.
How to Fix Errors
- Reinstall the Program: If you are experiencing issues related to nghttp3.dll, reinstalling the application that requires this DLL might resolve the problem.
- Update Windows: Ensure your operating system is up-to-date. Sometimes, updates can fix compatibility issues with DLLs.
- Manually Replace nghttp3.dll (if necessary): If you decide to manually replace this file, ensure you download it from a trusted source and have the correct version for your system architecture. However, be cautious as modifying system files can cause instability if done incorrectly.
Frequently Asked Questions (FAQ)
- Q: What is nghttp3.dll?
- A: It is a DLL file that supports the HTTP/3 protocol.
- Q: How do I fix "nghttp3.dll not found" errors?
- A: Reinstall the application or update Windows. If necessary, replace nghttp3.dll from a trusted source.
Conclusion
nghttp3.dll is an essential DLL for supporting advanced HTTP functionalities in Windows systems. Ensure it remains intact and properly configured to maintain system stability and application performance.
Wireshark Foundation