The `mfc110.dll` is a Dynamic Link Library file associated with the Microsoft Foundation Class (MFC) Library, specifically from Microsoft Visual Studio 2012. MFC is a framework provided by Microsoft that encapsulates a large portion of the WinAPI into C++ classes, making it easier for developers to create desktop applications for Windows. The `mfc110.dll` indicates that it's part of the Visual Studio 2012 runtime, and the version number `110` corresponds to this particular release of Visual Studio. The "MFCDLL Shared Library - Retail Version" suggests that this DLL is part of the redistributable package that allows applications built with Visual Studio 2012 to run on computers that do not have Visual Studio installed. This is crucial for distributing MFC-based applications to ensure they have the necessary runtime components to execute on target systems.

Issues with `mfc110.dll` can lead to applications failing to start or run properly, displaying errors about the missing or corrupted DLL. These problems typically occur if the DLL is accidentally deleted, becomes corrupted, or if there are compatibility issues with other software on the system. To resolve issues related to `mfc110.dll`, installing or repairing the Microsoft Visual C++ Redistributable for Visual Studio 2012 can often help, as this will ensure that all necessary runtime components are correctly installed on the system. If a specific application is experiencing issues, reinstalling the application may also restore any missing files and dependencies. Ensuring that Windows is up-to-date can also help resolve any compatibility issues.