This error is pretty old, emerging in Windows 7. But there have been reports that also Windows 8, 8.1, and 10 are getting this error. Usually the user executes commands like Net View or Net Time, which trigger the error.

There might be some issues that cause ‘System Error 5’: settings like data or time are incorrect, the user account is either disabled or the password is expired, or a 3rd party software is blocking the commands of Command Prompt.

Here is how to fix ‘System error 5 has occurred. Access is denied’ on Windows 7, 8 10 or other versions of OS. Let’s start with Windows 7 and get to command prompt with administrative privileges.

Open Command Prompt in Windows 7:

  1. Open ‘Start menu’ -> write ‘cmd’ -> press ‘Enter’.
  2. Right-click on the result -> select ‘Run as administrator’.
  3. Click ‘OK’ if a UAC opens.

Open Command Prompt in Windows 8, 8.1 or 10:

  1. Press ‘Windows’ key + ‘X’.
  2. Select ‘Command Prompt (Admin).’
  3. Click ‘OK’ if a UAC opens.

If the System error 5 still appears, then you should try the following solution.

  1. Open Start -> write ‘regedit’, -> press ‘Enter’.
  2. Go to the left pane and navigate to the ‘HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters’ key.
  3. Click on ‘Edit’ menu -> select ‘Add Value’.
  4. Rename the value as ‘MinFreeConnections’.
  5. Select ‘Add’ -> ‘New’ -> ‘REG_DWORD’.
  6. Set the new value 5 -> close ‘Registry Editor’.
  7. Right-click on ‘Windows key’-> select ‘Control Panel’.
  8. Select ‘Network’ -> look for ‘Installed Network Software’.
  9. Under ‘Installed Network Software’, highlight ‘Server’ -> select ‘Configure’.
  10. Look for ‘Optimization’ -> select ‘Maximize Throughput for File Sharing’ -> ‘OK’.
  11. Open ‘Start’, write ‘cmd’ -> right-click it -> select ‘Run as Administrator’.
  12. Write ‘net stop server’ ‘net start server’ -> press ‘Enter’ after each command.
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