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Manual Cleanup process and Uninstall Oracle for Windows system

February 16, 2010 Leave a comment
  1. Uninstall all Oracle components using the Oracle Universal Installer (OUI).
  2. Delete the HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE key which contains registry entries for all Oracle products by using regedit.
  3. Delete any references to Oracle services/components in the following registry location: HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/. Looks for key entries that starts with “Ora” which are obviously related to Oracle.
  4. Reboot the workstation.
  5. Delete the ORACLE_BASE directory. (i.e C:\Oracle)
  6. Delete the C:\Program Files\Oracle directory.
  7. Empty the temp directory.
  8. Empty the recycle bin.
Categories: How To, Uninstall Oracle