Oracle Full Uninstall

4. Disable Oracle Services : Enter Computer Management, in the service, find all services at the beginning of Oracle, right-click to select Stop

6. In the Start menu, locate Universal Installer, run Oracle Universal Installer, click Uninstall product

8. In the Product List window, click Expand All, except oradb11g_home1, tick other items, click Delete

10. Press the Windows logo key and R key, open the Run window, enter regedit, open the registry, expand HKEY_LOCAL_MACHINE\Software, locate Oracle, delete

12. Expand HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services, and then delete all items that begin with Oracle

14. Expand Hkey_local_machine\system\currentcontrolset\services\eventlog\application, and then delete all entries that begin with Oracle;

    In HKEY_CLASSES_ROOT, delete the entry that begins with Ora

16. Restart your computer, delete the Oracle directory, remove the Oracle installation directory app, and more

Oracle Full Uninstall