Unmount Oracle 9i under XP

Unmount Oracle 9i under XP

Keywords: oracle

Environment: Windows XP + oracle 9i

1. Stop all Oracle services: Choose Control Panel> Management Tools> services> stop all oracle services.
2. Uninstall the program: select the oracle Universal Installer option from the Start menu to uninstall all oracle products (the Universal Installer itself cannot be deleted)
3. Clear registry information: Run regedit and go to registry editing.
1> select HKEY_CLASSES_ROOT to delete all oracle entries, such
2> select HKEY_LOCAL_MACHINE \ SOFTWARE to delete the Oracle directory.
3> select HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 (or ControlSet002, ControlSet003) \ Services to delete all Oracle items
4> select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services to delete all Oracle items
5> select HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application to delete all Oracle items
4. Delete environment variables: Choose Control Panel> system> advanced> environment variables> Delete environment variables CLASSPATH and PATH.
5. delete Files: Delete the oracle folder under the C: \ Program Files directory, delete the oracle installation folder under the installation directory, and delete all groups and icons related to Oracle, delete all Oracle-related odbc dsn and delete Oracle-related logs in Event Viewer (if any ).

If some of the above steps cannot be deleted, restart your computer and continue to delete it ....