mfc120.dll

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Description

MFC120.DLL

MFC120.DLL is a dynamic link library (DLL) file that is an integral part of the Microsoft Foundation Class (MFC) library, which is used for developing desktop applications in C++ using Microsoft Visual Studio. It provides a set of classes, functions, and resources that simplify the creation of user interfaces, handling of events, and implementation of common application features.

MFC120.DLL is specifically associated with the MFC library version 12.0, which corresponds to Microsoft Visual Studio 2013. The DLL file is responsible for providing runtime support and functionality to MFC-based applications, ensuring their proper execution and compatibility with the Windows operating system.

Developers often include the necessary redistributable packages along with MFC-based applications to ensure that end-users have the required MFC runtime components, including MFC120.DLL, installed on their systems.

Purpose and Functionality

MFC120.DLL serves as a vital component in MFC-based applications, providing various features and functionality. Its primary purposes include:

User Interface (UI) Development: The DLL offers a comprehensive set of classes and resources for creating responsive and visually appealing user interfaces in MFC applications. It provides pre-built UI controls, dialog boxes, toolbars, and menus, making UI development more efficient.
Event Handling: MFC120.DLL enables developers to handle user interactions and system events easily. It provides classes and functions for implementing event-driven programming, allowing applications to respond to user actions effectively.
Application Features: The DLL offers a wide range of pre-implemented features and functionalities, such as file handling, printing, internationalization, and database connectivity. It simplifies the implementation of these common application features, reducing development time and effort.

Common Use Cases

MFC120.DLL is extensively utilized by developers for various purposes related to MFC-based application development. Common use cases include:

Desktop Application Development: Developers use MFC120.DLL when creating Windows desktop applications using Microsoft Visual Studio and the MFC library. The DLL provides essential runtime support and functionality required by MFC-based applications.
Legacy Application Maintenance: MFC120.DLL is essential for maintaining and updating existing MFC-based applications built with Microsoft Visual Studio 2013. It ensures the continued compatibility and proper functioning of these legacy applications on newer Windows operating systems.

File Information

Version: 14.0.25420.1
Architecture: 64
File size: 10.2 MB
Language: English
Company: Microsoft Corporation
Description: Microsoft Foundation Classes (MFC) Library

Errors related to mfc120.dll

MFC120.DLL-related errors and issues can occur when there are problems with the Microsoft Visual C++ Redistributable package or when the DLL itself becomes corrupted or missing. Here are some common errors and issues associated with MFC120.DLL:

DLL Not Found or Missing Error

This error occurs when the system or an application is unable to locate the MFC120.DLL file. It can happen if the DLL is accidentally deleted, moved, or not properly installed as part of the redistributable package.

Application Startup Error

Some applications may fail to start or launch due to a missing or incompatible MFC120.DLL. This is often accompanied by an error message indicating that the DLL is either missing or not found.

Application Crashes

If MFC120.DLL is corrupted or incompatible with the application’s version of the Microsoft Visual C++ Redistributable package, the application might crash during runtime.

DLL Initialization Error

This type of error occurs when the DLL fails to initialize properly when an application is launched. It can result from issues such as incorrect installation, conflicts with other software, or corrupted system files.

Compatibility Issues

Sometimes, having multiple versions of the Microsoft Visual C++ Redistributable packages installed on a system can lead to compatibility issues. An application might require a specific version of the runtime library, and using the wrong version can cause errors.

Operating System Compatibility

Some versions of MFC120.DLL might be designed for specific operating systems or architectures. Using a version that is not compatible with the user’s operating system can lead to errors.

Corruption due to Malware or System Issues

Malware infections, hardware failures, or other system issues can potentially corrupt DLL files like MFC120.DLL, leading to various errors when trying to run applications.

Redistributable Package Issues

Problems with installing or updating the Microsoft Visual C++ Redistributable package can result in errors related to MFC120.DLL. Incorrect installation or failed updates can cause runtime errors.

Incorrect File Versions

If a user has manually replaced or altered the MFC120.DLL file with an incorrect version, it can cause errors when applications attempt to use the DLL.

To resolve these errors and issues, users can try the following steps:

Reinstall the Microsoft Visual C++ Redistributable package that corresponds to the version required by the application.
Perform a system scan for malware and ensure the system is free from infections.
Run Windows System File Checker (sfc /scannow) to check and repair corrupted system files.
Ensure that all Windows updates are installed, as they might contain fixes for DLL-related issues.
If a specific application is causing issues, try reinstalling or updating the application.

In some cases, seeking assistance from technical support or forums related to the specific application or DLL issue might be necessary for a proper resolution.

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