What should I do if the Oracle database uninstall software does not exist?

Unable to find solution for Oracle uninstall software: Stop all Oracle services. Delete the Oracle installation directory. Delete the HKEY_LOCAL_MACHINE\SOFTWARE\Oracle registry key. Remove Oracle environment variables. Clear temporary files. Restart the computer.

The Oracle database uninstall software cannot be found

Problem:The Oracle database uninstall software cannot be found What should I do?

Solution:

If you cannot find the Oracle database uninstall software, you can use the following steps to uninstall it manually:

1. Stop Oracle service:

   • Open the "Services" control panel (services.msc).
   • Find and stop all services starting with "Oracle".

2. Delete the Oracle folder:

   • Navigate to the Oracle installation directory (usually C:\Oracle\< version>).
   • Delete all Oracle files and folders.

3. Delete the registry key:

   • Open the Registry Editor (regedit.exe).
   • Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Oracle\.
   • Delete all Oracle registry keys.

4. Delete environment variables:

   • Open "System Properties" (sysdm.cpl).
   • In the Advanced tab, click Environment Variables.
   • Delete all environment variables starting with "Oracle".

5. Clean temporary files:

   • Open "Disk Cleanup" (cleanmgr).
   • Select "System Drive" (usually C:\).
   • Check the "Temporary Files" and "Temporary Internet Files" options.
   • Click "OK" to clear the temporary files.

6. Restart your computer:

   • After completing the above steps, restart your computer for the changes to take effect.

Note:

• Before performing these steps, it is strongly recommended to back up the database and related files.
• If you are unsure about any step, please consult your database administrator or technical support.
• If you are still experiencing problems, check the Oracle installation log or Event Viewer for more information.

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