Due to different reasons an error named, “mfc100.dll is missing from your computer” can pop up on your computer. It can appear in different ways according to the Windows installed. These error messages are sent by the computer usually while installing any program or while opening or shutting down the Windows. The major reason behind this error is the corrupting or accidental deleting of Mfc100 DLL file. In other cases, this error could be a sign or a virus or a simple malfunction by the system. To resolve this, you need to download the mfc100.dll file which is available on the given link.