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3 easy steps to unregister a DLL file

A DLL file, also known as a Dynamic Link Library, is a file that contains codes and data that can be used by multiple applications at the same time. In fact, a lot of the functionality of the Windows operating system is provided by DLL files. Most DLL files are used by executable files (EXE) that call upon a DLL file when they require certain information, e.g., some particular source code. Thus,DLL files cannot run by itself.

DLL files are crucial to the operating system because if only one of DLL files was missing other applications are likely to malfunction. For instance, if your printer and scanner drivers were depending on the same DLL file and it was deleted or became corrupted that would mean that those drivers would not be able to function properly; therefore, you would not be able to print or scan anything.

It is important to note that the coherence of DLL files with multiple programs is very advantageous; because when more than one program uses the same library of functions, a DLL file reduces the use of system memory thus improving your system performance overall. An example could be an update of some sort, when a function within a DLL file needs to be upgraded; the update will upgrade that certain function, meaning that we can avoid the reinstallation of the whole program. Furthermore, if multiple programs are linked to the same DLL file, all of them will benefit from that one update.

In order to maintain the proper functionality of your operating systemyou must ensure that no DLL files are corrupted or missing. Some malicious programs could corrupt already existing DLL files; also, malware has been known to install brand new DLL files that may be the cause of improper functionality of your Windows system.

It is important to unregister DLL files first. Because if they are linked to legitimate applications and a simple removal of these corrupted DLL files could still disrupt the functionality of the program. Follow the steps below to unregister a DLL file.

How to unregister a DLL file

  1. Click the Windows Start button and select Run.
  2. Type in cmd and click OK.
  3. In the command prompt type in regsvr32 /u filename.dll, tap Enter.

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