MMC cannot open the file C:WINDOWSsystem32devmgmt.msc

This Issue May Occur When One Or Mare Of the.dll Files that are used by the Microsoft management console are missing or corrupted. these files include the following.

* Msxml.dll

* Msxml2.dll

* Msxml2.dll

To Resolved this issue , follow these steps.
1.click start , click Run , type cmd and then click OK.

2.At the Command prompt , type cd % windir % \System32, And then Press Enter.

Note :- The %windir% folder is the folder where you installed Microsoft windows.

3.Type the following commands. press Enter after each command.

Regsvr32 Msxml.dll


Regsvr32 Msxml2.dll


Regsvr32 Msxml3.dll

4.Type Exit,and then press Enter to close the command prompt window.

5.Restart the computer.