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What are DLL files and How to fix DLL errors

DLL also is known as Dynamic-link library is a unique file that comes with instructions needed by other programs to perform defined operations. By this, multiple programs can share the abilities placed into a single file and even do so simultaneously. The word “dynamic” is used in the name “Dynamic Link Library” because the instruction file is only to be used in a program when the program actively requests it instead of having the data always available in memory.


For instance, many different programs can all call the “unarc.dll” file to share code or resources and to further reduce the memory constraints on the system. Unlike the execution file which comes with .EXE file extension, DLL files can’t be open directly. DLL files are mostly requested by other programs already running. DLL’s “.DLL” has the same format as “.EXE”, while other DLLs may come with an extension name like .CPL, .OCX, or DRV. And sometimes DLL files can use the .EXE file extension for operation.

The resource DLL files come with file extensions like FON, ICL, and FOT. The FOT files are referred to as font files while the ICL files are known as icon libraries. Other important DLL files are COMDL32.DLL which controls the dialog boxes. The GDI32.DLL comes with several functions for displaying text, drawing graphics, and managing fonts. The KERNEL32.DLL has hundreds of functions for the management of various processes and memory. And the USER32.DLL which comes with numerous user interface functions.

Fixing missing DLL Errors

Because DLL files are used often, so they can display errors when starting, using, and shutting down Windows. Downloading the missing DLL file can fix this issue and its the best way to go. DLL download sites like DLLDownloads.com has clean, stable, and updated copy of every DLL file. Usually most DLL download sites are outdated often times. Fixing this, you’ll need to download the DLL file from a guaranteed developer.

Also, there are other acceptable and secure ways of fixing DLL missing errors without necessarily downloading individual DLL files from the internet.

They include;

  • Restart your computer: The DLL error may just be temporary and restarting your computer system could be all you need.
  • Restore the deleted DLL file from the Recycle Bin: The DLL file could have been deleted accidentally. The easiest way is to check the recycle bin to locate the deleted file in fixing the error.

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  • System Restore: This helps to undo changes made by the system which can affect DLL operation. If you notice that the DLL error was caused by a change in the configurations or the registry. Using the system restore option can help to solve this error.
  • Reinstall the program: Reinstalling the program that has the specific DLL file can be a solution to the program’s specific error. This error may have occurred when you were using the program or trying to open it.
  • Run sfc/scannow command to replace incorrect or missing system files. This can help to fix missing or damage Microsoft supplied DLL files.

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