Shulou(Shulou.com)06/01 Report--

With the uninstall program that comes with Oracle, you can't uninstall Oracle fundamentally, leaving a hidden danger for the next installation, so how can you uninstall Oracle completely?

That is to clean up the registry directly, as follows:

1. Start-> Settings-> Control Panel-> Administrative tools-> Services

Stop all Oracle services.

2. Start-> Program-> Oracle-OraHome81- > Oracle Installation Products- >

Universal Installer

Uninstall all Oracle products, but Universal Installer itself cannot be removed

5. Run regedit, select HKEY_LOCAL_MACHINE\ SOFTWARE\ ORACLE, and press del to delete the entry.

6. Run regedit, select HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Services, and scroll

This list deletes all Oracle entries.

7. Run refedit

HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Services\ Eventlog\ Application

Delete all Oracle entrances.

8. Start-> Settings-> Control Panel-> system-> Advanced-> Environment variables

Delete the setting of Oracle in the environment variables CLASSPATH and PATH

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

10. Delete the\ Program Files\ Oracle directory

Restart the computer, and then completely delete the directory where Oracle is located.

12. Delete the files related to Oracle, select the default directory C:\ Oracle where Oracle is located, and delete this entry

Port directory and all subdirectories, and delete the oralce file from the Windows directory (usually C:\ WINDOWS), and so on.

If there is a marked segment of [ORACLE] in the WIN.INI file, delete it.

14. Delete the DSN of all Oracle-related ODBC if necessary

15. In the event Viewer, delete Oracle-related logs

Description:

If there are cases where individual DLL files cannot be deleted, ignore it, restart, and start a new installation

Select a new directory during installation, and after installation and reboot, the old directories and files can be deleted

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