How to completely uninstall Oracle

Uninstall procedure:
1. Start-> Settings-> Control Panel-> management tools-> services
Stop all Oracle services.

2. Start->Program-> Oracle-orahome81-> Oracle Installation products-> universal Installer
Uninstall all Oracle Products

3. Run regedit, select HKEY_LOCAL_MACHINE oftware \ oracle, and press del to Delete this entry.

4. Run regedit and select HKEY_LOCAL_MACHINE ystem \ CurrentControlSet ervices. Scroll through the list and delete all Oracle entries.

5. Delete all groups and icons related to Oracle from the desktop, startup group, and program menu.

6. restart the computer to completely delete the Oracle directory.

7. Delete Oracle-related files, select the default Oracle directory c: \ oracle, and delete the entry directory and all subdirectories,

And delete the following files from the Windows 2000 directory (generally c: \ WINNT)

Oracle. ini, oradim80.ini

8. If there is a [Oracle] Tag segment in the win. ini file, delete it.