Here are some reason that causes CMD Error 740 and how to fix it.
Understanding CMD Error 740
Errors occur when Windows blocks a command
due to fewer permissions. The operating system requires administrator rights to
proceed. Without these elevated privileges, Windows gives an Error 740.
Solution 1: Run Command Prompt as Administrator
Solution 2: Create a Shortcut for Elevated CMD
1) right click on your desktop and select New Shortcut.
2) In the location field, type:
C:\Windows\System32\cmd.exe
3) Click Next, then give the shortcut a name like CMD Admin.
4) Right click the new shortcut, select Properties, and go to the Shortcut tab.
5) Click Advanced, then check Run as administrator.
6) Click OK and Apply.
Solution 3: Use Windows PowerShell as Administrator
1) Press windows + x.
2) select windows powershell.
3) run your command.
Conclusion
CMD error 740 in Windows is not a big
problem in simple words windows protecting the system from unauthorized
changes. By using the methods above, you can quickly solve this error and
continue using CMD without interruptions.