If so, navigate to C:\Windows\system32\ in File Explorer. Can you double-click cmd.exe and get it to launch? Does nothing happen when right-clicking and choosing "Run as administrator"? Right-click the start button and choose Computer Management. Under local groups, open Administrators. Is your user listed as a member? It sounds as though you either don't have access, or that elevation is unable to occur as critical components of Windows are either not running or corrupt. Note that the address bar...
If so, navigate to C:\Windows\system32\ in File Explorer. Can you double-click cmd.exe and get it to launch? Does nothing happen when right-clicking and choosing "Run as administrator"? Right-click the start button and choose Computer Management. Under local groups, open Administrators. Is your user listed as a member? It sounds as though you either don't have access, or that elevation is unable to occur as critical components of Windows are either not running or corrupt. Note that the address bar...