Computer desktop properties can not be opened

Cpl type files are control panel extension files. Each cpl file actually corresponds to a certain function of the system. If they are removed, the corresponding functions will be restricted. The corresponding functions of each cpl file are listed below for your reference. Access.cpl corresponds to “Auxiliary option attribute" Appwiz.cpl corresponds to “Add/Remove Program Attribute> Desk.cpl corresponds to “Display Attribute> Intl.cpl corresponds to “Regional Settings Attribute" Inetcpl.cpl Corresponds to &ldquo ;Internet property” Joy.cpl corresponds to "game controller", Main.cpl corresponds to "mouse attribute", Mmsys.cpl corresponds to "multimedia attribute" "Netcpl.cpl corresponds to <;network attribute” Password.cpl corresponds <;Password Attribute" Powercfg.cpl Corresponds to “Power Management Attributes” Sticpl.cpl corresponds to “Scanner and Digital Camera Attributes” Sysdm.cpl corresponds to “System Attributes” & Telequo.cpl corresponds to “Dial Attributes” Timedate.cpl corresponds to “date/time property”

You can open the run dialog via the emulation button, the auxiliary option module: access.cpl command: rundll32.exe shell32.dll, Control_RunDLL access.cpl,, 5 Results: Show accessibility options /General . Command: rundll32.exe shell32.dll, Control_RunDLL access.cpl,,1 Result: Display auxiliary options/keyboard. Command: rundll32.exe shell32.dll, Control_RunDLL access.cpl,, 2 Result: Auxiliary options/sounds are displayed. Command: rundll32.exe shell32.dll, Control_RunDLL access.cpl,,3 Result: Display auxiliary options/display. Command: rundll32.exe shell32.dll, Control_RunDLL access.cpl,, 4 Result: Show accessibility options/mouse. Add a new hardware module: sysdm.cpl command: rundll32.exe shell32.dll, Control_RunDLL sysdm.cpl @1 Add a new printer module: shell32.dll Command: rundll32.exe shell32.dll, SHHelpShortcuts_RunDLL AddPrinter Add/Remove Program Module: appwiz .cpl command: rundll32.exe shell32.dll, Control_RunDLL appwiz.cpl,,1 Result: Shows install/uninstall. Command: rundll32.exe shell32.dll, Control_RunDLL appwiz.cpl,,1 Result: Show install/uninstall. Command: rundll32.exe shell32.dll, Control_RunDLL appwiz.cpl,, 2 Result: Display Windows installation. Command: rundll32.exe shell32.dll, Control_RunDLL appwiz.cpl,, 3 Result: The boot disk is displayed. Copy Disk Module: diskcopy.dll Command: rundll32.exe diskcopy.dll, DiskCopyRunDll Time/Date Module: timedate.cpl Command: rundll32.exe shell32.dll, Control_RunDLL timedate.cpl,,0 Result: The set date/time is displayed. Command: rundll32.exe shell32.dll, Control_RunDLL timedate.cpl,,1 Result: The set time area is displayed. Dial-up connection (DUN) module: rnaui.dll Command: rundll32.exe rnaui.dll, RnaDial connection_name Result: Open the specified dial-up connection. Example: x= Shell("rundll32.exe rnaui.dll,RnaDial " & "connection_name", 1) Display module: desk.cpl command: rundll32.exe shell32.dll, Control_RunDLL desk.cpl, , 0 result: Background setting. Command: rundll32.exe shell32.dll, Control_RunDLL desk.cpl,,1 Result: Screen saver settings. Command: rundll32.exe shell32.dll, Control_RunDLL desk.cpl,, 2 Result: Appearance settings. Command: rundll32.exe shell32.dll, Control_RunDLL desk.cpl,,3 Result: Set the window. Joystick Module: joy.cpl Command: rundll32.exe shell32.dll, Control_RunDLL joy.cpl Mail/Fax Module: mlcfg32.cpl Command: rundll32.exe shell32.dll, Control_RunDLL mlcfg32.cpl Result: The MS Exchange property setting appears. Postoffice settings Module: wgpocpl.cpl Command: rundll32.exe shell32.dll, Control_RunDLL wgpocpl.cpl Result: The MS Postoffice Workgroup Admin settings are displayed. Main Settings Module: main.cpl Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @0 Result: The mouse properties are displayed. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @1 Result: Display keyboard/speed properties. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @1,,1 Result: Display keyboard/language properties. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @1,,2 Result: Display keyboard/general properties. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @2 Result: The printer properties are displayed. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @3 Result: Display font properties. Command: rundll32.exe shell32.dll, Control_RunDLL main.cpl @4 Result: Displays power management properties. Add Modem module: modem.cpl command: rundll32.exe shell32.dll, Control_RunDLL modem.cpl,, add Multimedia Module: mmsys.cpl Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl,,0 Result: Sound. Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl,,1 Result: Video. Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl,, 2 Result: Sound MIDI. Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl,, 3 Result: CD/Music. Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl,, 4 Result: Advanced. Command: rundll32.exe shell32.dll, Control_RunDLL mmsys.cpl @1 Result: Sound. Network module: netcpl.cpl command: rundll32.exe shell32.dll, Control_RunDLL netcpl.cpl Open With module: shell32.dll Command: rundll32.exe shell32.dll, OpenAs_RunDLL path\\filename Password module: password.cpl Command: rundll32.exe shell32.dll, Control_RunDLL password.cpl locale module: intl.cpl command: rundll32.exe shell32.dll, Control_RunDLL intl.cpl,,0 Result: locale. Command: rundll32.exe shell32.dll, Control_RunDLL intl.cpl,,1 Result: Number format setting. Command: rundll32.exe shell32.dll, Control_RunDLL intl.cpl,, 2 Result: Amount format setting. Command: rundll32.exe shell32.dll, Control_RunDLL intl.cpl,, 3 Result: Time format setting. Command: rundll32.exe shell32.dll, Control_RunDLL intl.cpl,, 4 Result: Date format setting. Screen saver Module: appwiz.cpl Command: rundll32.exe desk.cpl, InstallScreenSaver c:\\win\\system\\Flying Windows.scr Result: Install the screen saver and display the preview property page. System Settings Module: sysdm.cpl Command: rundll32.exe shell32.dll, Control_RunDLL sysdm.cpl,,0 Result: The general settings are displayed. Command: rundll32.exe shell32.dll, Control_RunDLL sysdm.cpl,,1 Result: Display device management settings. Command: rundll32.exe shell32.dll, Control_RunDLL sysdm.cpl,, 2 Result: Display hardware settings. Command: rundll32.exe shell32.dll, Control_RunDLL sysdm.cpl,,3 Result: Display performance settings. IE4 setup module: inetcpl.cpl command: rundll32.exe shell32.dll, Control_RunDLL inetcpl.cpl

The reason is that the Desk.cpl file in the computer is corrupted, copying a Desk from the same system on another computer. The cpl file overwrites the damaged file, the problem is solved (file directory: C:\\WINDOWS\\system32

or

The rundll32.exe file is missing, copy or download this from other computers of the same system Then copy the file to C:\\WINDOWS\\system32 and try it out!