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Do you need to register or delete DLL files? Follow these steps

Sometimes, when we install any program, the DLL files are not registered correctly or during the update, the link between them and the application to which they belong is broken. In case any DLL file fails we can fix it by registering or re-registering the files.

Advantages of DLL files

DLL files correspond to the acronym in English of Dynamic Link Library that translated into Spanish would be like Libraries of Dynamic Links. These files are made up of executable code from different parts of an application, by means of which the applications that we have installed on our PC get to work. Thanks to its implementation, the executable files have reduced their size, since a large part of these codes are already stored in the DLL files, thus achieving a better performance of the application.

But we not only get advantages with the applications, but also offer improvements of system performance. And it is that these files are capable of using different programs such as MFC that are capable of running a wide variety of applications that run on Windows. In addition, they allow us to increase the use of memory and increase the execution speed of applications.

In the event that the necessary DLL files are not registered, some Windows options may not work correctly and the dreaded blue screen of death may appear, causing system crashes, spontaneous reboots, etc. Therefore, in the event that we notice the lack of these files, we must register or re-register all DLL files.

Register DLL files in Windows

If we want to register or re-register a DLL file, we have two ways to do it. On the one hand, we can register all the files at once, which we can use especially when we do not know the name of the file that is causing problems. On the other hand, we can register a particular DLL file, in case we know which file is causing problems.

For this we will use the command line tool Regsvr32 that is integrated into Windows 10 and that will help us both to register and cancel DLL records within the operating system registry. If we get any error messages while running the Regsvr32 command, we need to make sure we are using the Command Prompt as an administrator.

Check in all files

If we want to register or re-register all the files we must use the command line utility of the Command Prompt. To do this, the first thing will be to type cmd in the search box of the Start menu, and run it with administrator rights. Once opened, we must execute the following command, which will be in charge of registering the DLL files that are in its path.

for %x in (c:windowssystem32*.dll) do regsvr32 %x

If we want to register or re-register all DLL files, regardless of where they are in Windows, we must execute the following command.

for %1 in (*.dll) do regsvr32 /s %1

Record all files regardless of where they are

Check in a file

If we know the name of the file that we want to register because it is the one that is causing us problems, we can use the Command Prompt to register only one file. To do this we must write cmd in the search box next to the Start menu and run the Command Prompt with administrator rights.

Once open, we execute the following command and replace the path and the part of the name of the actual path and the name of the DLL file that we want to re-register

regsvr32 "ruta y nombre del archivo dll"

Override a DLL

If what we want is to unregister a DLL file, we must use the Command Prompt. To do this we write cmd in the Windows search box and execute the Command Prompt with administrator rights. Here we will use the / u parameter as an option within the following command:

regsvr32 /u "ruta y nombre del archivo dll"

If we want to uninstall the DLL while unregistering, we use the / i parameters after / u.

Use third party apps

If we do not want to deal with the Command Prompt, we can also use third-party applications that will help us with the tasks of registering and canceling DLL files.

Emsa Register DLL Tool

We are talking about a registry and DLL information tool for Windows, through which we can obtain detailed information about system files such as DLL, OCX, EXE, among others. In their information they offer us details of the libraries they use, providing details about ActiveX components. This way it will be possible to register or cancel ActiveX files, even from a practical command, even if the program is not running.

Emsa Register DLL Tool

There are occasions when registering DLL files can be a problem, since various errors can occur when trying to register DLL files, something that we can avoid with this program. To be able to use it correctly it will only be necessary to run it as administrator.

Emsa Register DLL Tool is compatible with all versions of Windows, from XP to Windows 10, and we can download it from the developer’s website.

RegDllView

This small application is capable of showing us a list with all the registered DLL, OCX and EXE files, being able to see the last date and time it was registered, as well as a list with all the registry entries (CLSID / ProgID). This program will also allow us to unregister DLL and OCX files that we no longer need in our system. It will also allow us to register DLL and OCX files (such as Regsvr32) simply by dragging one or more files from the File Explorer folder to the RedDllView window.

RegDllView

The drawback of this program is that it is a solution specially designed for expert users who often manipulate libraries and controls under Windows, such as system administrators, since its use requires certain knowledge of the system.

We can download RegDllView from this link.

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