Win7 recovery dll dynamic link library method

            1. Generally speaking, if there is a problem with the dll dynamic link library in the computer, a related warning window will appear. At this time, you need to know the file name of the dynamic link from the warning window appearing in the computer, for example, SHELL30. The dll is a dll-suffixed file, and its path is C:\\WINDOWS\\system32\\SHELL30.dll, which is the information that needs to be recorded.
2. After that, press the win+R shortcut on the keyboard to open the running window of the computer, then enter REGSVR32 /n /i:u shell30 in the window, then click Enter, so the computer will automatically Start repairing this SHELL30.dll file and wait for the system to be repaired.