| Error Message | What It Means | Fix | |---------------|---------------|-----| | System error 5 has occurred. Access is denied. | You didn’t run as administrator. | Close and relaunch CMD/PowerShell as admin. | | The service name is invalid. | You typed “spool” or “printer” incorrectly. | Use exact name: spooler | | The Print Spooler service could not be stopped. | Another process or driver has a lock on it. | Try restarting Windows Explorer (taskkill /f /im explorer.exe), or reboot. | | The dependency service does not exist or has been marked for deletion. | Corrupt spooler configuration. | Run sfc /scannow or reset spooler via registry. |