Description
Creation date: 26.12.2051 08:54:21
File version: 9.0.1125.51716
Antivirus scan: ✅ OK
Category: Runtime
File size: 15.8 kb.
Architecture: 32-bit (x86)
✅ This file is compatible with 32-bit Windows and can run on 64-bit Windows (via the WOW64 subsystem).
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.
Digital file signature System.Runtime.Serialization.Json.dll
Issuer: Microsoft Code Signing PCA 2011
Encryption algorithm: SHA256
Time stamp: Oct 18 02:35:25 2025 GMT
The System.Runtime.Serialization.Json.dll is a dynamic-link library (DLL) file used by .NET applications on Windows systems. It primarily supports the JSON serialization and deserialization process, enabling seamless conversion between JSON text and .NET objects.
SHA-1: c959bd58507b88751777f4f79159e329539aaa2e
SHA-256: 00dc0a24c6dc53cfa642d7051d55fd5dd6cbc3cd9561da8553b2019cbea31cb5
Where it is used
This DLL file is commonly utilized in various Microsoft frameworks and applications that require JSON-based data exchange. It's often a part of the .NET Core or .NET Framework runtime environment, facilitating communication between web services and client applications.
Errors related to System.Runtime.Serialization.Json.dll
Potential errors associated with this file include:
- Error: "System.Runtime.Serialization.Json.dll not found" or "missing System.Runtime.Serialization.Json.dll"
- Error: "Error loading System.Runtime.Serialization.Json.dll"
File security
The file characteristics indicate that it is a trusted and secure system file from Microsoft. The high entropy VA, NX-compatible, no SEH, terminal server awareness, and the digital signature verify its integrity. It’s highly unlikely to be malicious; however, always ensure you download updates from official sources.
FAQ
How to fix System.Runtime.Serialization.Json.dll missing error?
Download the correct file and copy it to the required program folder.
Is System.Runtime.Serialization.Json.dll safe?
The original System.Runtime.Serialization.Json.dll file was scanned by the antivirus, result: "OK".
Can I delete System.Runtime.Serialization.Json.dll ?
You can move the file to a temporary folder and try to replace.
To fix the following errors:
System.Runtime.Serialization.Json.dll was not found
The code execution cannot proceed because System.Runtime.Serialization.Json.dll was not found
Failed to load System.Runtime.Serialization.Json.dll
The procedure entry point ... could not be located in System.Runtime.Serialization.Json.dll
1. Download links:
2b. Also try to copy to bin, lib folders.
2c. Try to copy System.Runtime.Serialization.Json.dll C:\Program Files (x86)\Your program\
👉 Before file replacement, ensure backups are made.
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.
Advanced users only:
3. Copy into the folder C:\Windows\System32\
3b. Copy into the folder C:\Windows\SysWOW64\
How to fix errors
- Reinstall the program: If a specific application is causing issues with this DLL file, reinstalling it may resolve the problem. Ensure you use the latest version from the official source.
- Update Windows: Keeping your operating system up to date can help ensure that all required components are current and compatible.
- Manually replace System.Runtime.Serialization.Json.dll (if needed): Download the correct version from Microsoft’s official channels. Ensure you back up any existing files before making changes.
Conclusion
The System.Runtime.Serialization.Json.dll is a critical file for .NET applications, facilitating JSON serialization and deserialization processes. Ensuring it remains intact can prevent errors that could disrupt your application’s functionality.