What is a .dll?
A DLL (Dynamic Link Library) is a file that can be loaded and executed by programs dynamically. Basically it's an external code repository for programs. Since usually several different programs reuse the same DLL instead of having that code in their own file, this dramatically reduces required storage space. A synonym for a DLL would be library.
How is a .dll file used?
A DLL file can be used by several applications at the same time. Some DLLs are provided with Windows System and available for any Windows based application. Other DLLs are written for a particular application and load when the application is running.
Where is a .dll file typically stored?
On a typical installation of Windows 95, 98, 98SE and ME DLL files are usually located in the C:\WINDOWS or C:\WINDOWS\SYSTEM folders. In Windows based on NT technology DLL files can usually be found in C:\WINNT or C:\PROGRAM FILES folders.
What is a .inf file?
A file that provides Windows Setup with the information required to set up a device, such as a list of valid logical configurations for the device and the names of driver files associated with the device.
What is a .ocx file?
OCX is short of OLE Custom control, an independent program module that can be accessed by other programs in Windows environment. OCX controls end with an .ocx extension. OCX controls represent Microsoft second generation of control architecture, the first were VBX controls written in Visual Basic.
What is a .VXD File?
Also called Value-added Driver. A .VXD file is a helper file used by one or more program (.EXE) files. You dont run .VXD files; the program it is designed to work with uses the info in the file. If you have downloaded a .VXD file and need to know what program to use it with the best source of info would be at the site where you downloaded the file to begin with. Note: This file type can become infected and should be carefully scanned if someone sends you a file with this extension.
Missing DLL Files
You downloaded a software and when you try to run it, you receive a "missing or invalid file" error like this...
Use Nodevice DLL search system to identify which software installed a specific version of a DLL.
Just enter the name of the files (e.g KERNEL32.DLL, COMDLG32.OCX, mfc42.dll) and click the find button.