Home Common Problem Can dll files be deleted?

Can dll files be deleted?

Mar 06, 2023 am 10:49 AM
dll file

dll files can be deleted, but it is recommended not to delete DLL files placed in the system partition "WINDOWS\system" and "system32", as they may cause system or software failures. Useless dll files can be completely deleted; The dll file is a dynamic link library file that needs to be called when the program runs normally.

Can dll files be deleted?

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

Can the dll file be deleted?

The dll file is a dynamic link library file that needs to be called when the program runs normally. System DLL files are generally placed in the system partitions WINDOWS\system and system32. The DLL here cannot be deleted.

Generally, DLL files will be automatically deleted when the program is uninstalled. If it is just the DLL of your game and it is placed in the game installation directory, it can be deleted completely.

.dll introduction:

.dll, dynamic link library is DLL in English, which is the abbreviation of Dynamic Link Library. A DLL is a library that contains code and data that can be used by multiple programs simultaneously.

Meaning of DLL

Advantages

It is easier to apply updates to individual modules without affecting other parts of the program. For example, you might have a payroll calculation program where tax rates change every year. When the changes are isolated into the DLL, you can apply the update without rebuilding or installing the entire program.

Some of the files implemented as DLLs in the Windows operating system are described below: ActiveX Control (.ocx) Files An example of an ActiveX control is the Calendar control, which allows you to select a date from a calendar. Control Panel (.cpl) files An example of a .cpl file is an item located in Control Panel. Each entry is a private DLL. Device driver (.drv) file An example of a device driver is a printer driver that controls printing to a printer.

Advantages of DLL

When a program uses a DLL, it has the following advantages: Uses fewer resources. When multiple programs use the same function library, the DLL can reduce the number of disk and physical The amount of duplication of code loaded in memory. This can greatly affect not only programs running in the foreground, but also other programs running on the Windows operating system. Promoting modular architecture DLLs can help promote the development of modular programs. This can help you develop large programs that require multiple language versions or programs that require a modular architecture. An example of a modular program is an accounting program that has multiple modules that can be loaded dynamically at runtime. Simplified Deployment and Installation When functions in a DLL need to be updated or repaired, deploying and installing a DLL does not require re-establishing the program's link to the DLL. Additionally, if multiple programs use the same DLL, then multiple programs will benefit from the update or fix. This problem may occur more frequently when you use third-party DLLs that are regularly updated or fixed.

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