How to Fix Command Prompt in Windows 10?

[Fixed] Command Prompt (CMD) Not Working/Opening ...

Restart Your Windows 10 PC.
Temporarily Disable Antivirus Software.
Modify PATH Environment Variables Settings.
Create a New User Account.
Run SFC with Windows PowerShell.
Create a Shortcut for CMD Application.
Check If Command Prompt Works in Safe Mode.
Perform a System Restore.

How do I Repair Windows 10 with Command Prompt?

Click Startup Repair .
Click System Restore.
Select your username.
Enter your password.
Type "cmd" into the main search box.
Right click on Command Prompt and select Run as Administrator.
Type sfc /scannow at command prompt and hit Enter.

Why Can't I Open my Command Prompt?

If you cant run Command Prompt as an administrator, the issue might be related to your user account. Sometimes your user account can get corrupted, and that can cause the issue with Command Prompt. Repairing your user account is quite hard, but you can fix the problem simply by creating a new user account.