it’s possible for you to also find adata restore toolto help get your lost and deleted data back.
Also read:Learn the best tips and tricks fordata recovery hard driveon Windows 11/10/8/7.
you’re free to click Start -> Power -> Restart to reboot your Windows 10 computer.
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If computer restart doesnt help, continue to check other fixes below.
Fix 2. your rig is still protected by Windows own antivirus applicationWindows Defenderif you remove all other antivirus software.
peek if CMD not working/opening error has been fixed, if not, continue to try other ways.

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Fix 3.
Check the detailed steps below.
ClickStart, typeenviron, and selectEdit the system environment variables.

Now you are underAdvancedtab inSystem Propertieswindow.
you’re free to clickEnvironment Variablesbutton.
In Environment Variables window, you’re able to clickPathand clickEditbutton.
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After that, you’re free to cycle your Windows 10 PC to make the changes take effect.
Attempt to launch Command Prompt again to see if it’s possible for you to open it.
Fix 4.

Check how to create a new user account below.
Step 1. it’s possible for you to pressWindows + Ito open Windows parameters, and clickAccounts.
Next selectFamily & other peoplein the left pane, and clickAdd someone else to this PC.

Continue to bang out a username and enter a password to create a new user account.
Fix 5.
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Fix 6.

Step 1. it’s possible for you to right-smack the empty area on your desktop, clickNewand selectShortcut.
In the Create Shortcut window, it’s possible for you to typecmd.exeand clickNext.
TypeCommand Promptfor the name of the shortcut, and clickFinish.

Then it’s possible for you to opt for shortcut to open Command Prompt in normal mode.
TapShortcuttab, clickAdvanced, tickRun as administrator, and clickOK.
Then when you poke the Command Prompt shortcut next time, it willrun CMD as administrator.

Then you might press F4 to boot computer into Safe Mode.
Windows system restore is also perfectly supported.
Free download MiniTool ShadowMaker on your Windows 10/8/7 PC, and check its easieruser guidebelow.

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Step 1.
Launch MiniTool ShadowMaker and clickKeep Trialbutton.
Then you could clickConnectbutton underThis Computer.

On the main UI, you’ve got the option to clickBackupbutton.
Then go back to the main UI, and clickDestinationsection to specify a destination path to store the backups.
At last, clickBack up Nowbutton to start the backup process at fast speed.

Fix 8.
If your system wont start, you canaccess advanced options in Windows 10to perform a System Restore.
MiniTool Partition Wizard is a professional free hard drive partition manager for Windows 10/8/7.

MiniTool Power Data Recoveryis a professional data recovery program for Windows.
This bestdata recovery softwarehelps you tackle different data loss situations.
The free edition allows you to recover up to 1GB data for free.

you might use it to performSSD data recovery, SD card data recovery, and more.
If the measures above dont work in closing Command Prompt, you could force to close cmd.exe usingTask Manager.
Right-go for the CMD process and click End Task.