How to Access Dll Files Through C
Dynamic Link Library files--or DLL files, as they are more commonly known--contain information that allow different programs to communicate with each other. DLL files are often implemented in computer programming to reduce memory usage, as multiple programs can use a single DLL file for communication and instruction. An example of this is the common "libusb-win32.dll," which regulates communication for all USB devices plugged into a computer. If a DLL file becomes corrupt or missing, the programs and hardware that rely on it will cease to function. Locating and replacing corrupted DLL files will repair such problems.
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Instructions
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Click the Start menu in Windows and double-click the "My Computer" logo to begin locating the computer's DLL database. Most operating systems store system information in the C drive, so double-click this drive to browse it. If there is a warning screen stating that system files are currently hidden, select the "Show system files" or "Show contents of this folder" option and continue browsing. Open the Windows folder.
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Open the sub-folder labeled "System-32." This is where the majority of DLL files are located. Typically, the only reason that a DLL file would not be located here is if a user instructed otherwise during a program installation. Scroll down in the folder until you find the DLL file that you are looking for.
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Click "Tools" and then "Folder options" if no DLL files are showing up in the System-32 folder. Choose the "View" tab and select from the options to view hidden files and folders. Also, select the option to view file extensions for known file types. All DLL files should now show up in the System-32 folder as ending in ".dll."
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Tips & Warnings
Make copies of any DLL files that you are going to modify or remove. This can be done using Windows backup and restore, by creating a restore point before beginning work. A quicker way to back-up a DLL file is to copy and paste it to a USB drive using Ctrl+C and Ctrl+V.
Deleting or altering DLL files may cause your operating system to crash. Do not remove a DLL file unless you know its function and are sure that removal is necessary.
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