Learn about DLL files

DLL is a dynamic link
Library stands for dynamic link library. In Windows, many applicationsProgramNot a complete executable file, they are divided into some relatively independent dynamic link libraries, that is, DLL
File, placed in the system. When we execute a program, the corresponding DLL file will be called. An application may have multiple DLL files, and a DLL file may be shared by several applications.
Such a DLL file is called a shared DLL file. DLL files are generally stored in the C: \ WINDOWS \ SYSTEM directory.
1. How to understand which DLL files are used by an application
Right-click the application and choose "Quick View" from the shortcut menu, in the "Import table" column of the "Quick View" window that appears, you will see the usage of DLL files.

2. How to know that the DLL file is used by several programs

Run regedit to go to HKEY_LOCAL_MACHINE \ SOFTWARE \ microsrft \ windows \ current-
View the version \ shareddlls subkey. All DLL files and their related data are displayed in the window on the right. The numbers in the parentheses on the right of the data indicate that they are used by several programs. (2) it indicates that it is used by two programs, and (0) indicates that no program is used. You can delete it.

3. How to Solve DLL file loss

When detaching a file, you are reminded that deleting a DLL file may affect the running of other applications. When you uninstall the software, you may accidentally delete the shared DLL file. Once a DLL file is lost
If you can confirm the name of the DLL file, you can find the DLL file in sysbckup (System Backup folder) and copy it to the system folder. If this is not the case, start
"*** DLL file loss..." always occurs during the operation ......" You can run msconfig in "Start/run". After Entering the System Configuration Utility dialog box, click Select
"System. ini" label to find the DLL file that is prompted to be lost, so that it is not selected, so that no error prompt will appear during startup.