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

Win7 64-bit operating system, after installing oracle11g, found it difficult to install visual management tools. So uninstall, after the method uninstall, you can reinstall 32-bit oracle11g. Feel free to use it.

To completely uninstall oracle11g:

1. Start-> Settings-> Control Panel-> Administrative tools-> Services stop all Oracle services.

2. Start-> programs-> Oracle-OraHome81- > Oracle Installation Products- > Universal Installer, click "Uninstall products"-"expand all", select all directories except "OraDb11g_home1" and delete.

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, scroll through the list and delete all Oracle entries (keys starting with oracle or OraWeb).

7. Run refedit,HKEY_LOCAL_MACHINE\ SYSTEM\ CurrentControlSet\ Services\ Eventlog\ Application to delete all Oracle entries.

8. Delete all keys prefixed with Ora, Oracle, Orcl or EnumOra in the HKEY_CLASSES_ROOT directory.

9. Delete all keys that begin with oracle in HKEY_CURRENT_USER\ Software\ Microsoft\ Windows\ CurrentVersion\ Explorer\ MenuOrder\ Start Menu\ Programs.

10. Delete all keys containing Oracle in HKEY_LOCAL_MACHINE\ SOFTWARE\ ODBC\ ODBCINST.INI except the Microsoft ODBC for Oracle registry key.

11. My computer-- > Properties-- > Advanced-- > environment variables, delete the Oracle settings in the environment variables CLASSPATH and PATH.

12. Delete all Oracle groups and icons from the desktop, the STARTUP group, and the program menu.

13. Delete all Oracle-related directories (if not, restart the computer and then delete them), including:

1.C:\ Program file\ Oracle directory.

The 2.ORACLE_BASE directory (the directory where oracle is installed).

3.C:\ WINDOWS\ system32\ config\ systemprofile\ Oracle directory.

4.C:\ Users\ Administrator\ Oracle or C:\ Documents and Settings\ Administrator\ Oracle directory.

5.C:\ WINDOWS delete the following files ORACLE.INI, oradim73.INI, oradim80.INI, oraodbc.ini, and so on.

6.If there is a marked segment of [ORACLE] in the WIN.INI file under C:\ WINDOWS, delete it.

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

15, to the event Viewer, delete Oracle-related log instructions: if there are individual DLL files can not be deleted, then ignore, restart, start a new installation, installation, select a new directory, then, after installation and restart, the old directory and files can be deleted.

Reference: http://blog.sina.com.cn/s/blog_888e89be01016qsm.html

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