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How do I completely remove the Oracle 11g client from my computer? I am running Windows 7, 64-bit.
I have tried running deinstall.bat
, but this doesn't work.
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How do I completely remove the Oracle 11g client from my computer? I am running Windows 7, 64-bit.
I have tried running deinstall.bat
, but this doesn't work.
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First, use Start -> Run -> Services.msc, locate all Ora* services and stop them.
The rest, from Manual and Clean Uninstall Oracle for Windows :
- Uninstall all Oracle components using the Oracle Universal Installer (OUI).
- Delete the
HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE
(andHKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ORACLE
on 64bit) key which contains registry entries for all Oracle products by using regedit.- 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.- Reboot the workstation.
- Delete the ORACLE_BASE directory. (i.e C:\Oracle)
- Delete the directory
C:\Program Files\Oracle
.- Empty the temp directory.
- Empty the recycle bin.
That link no longer works... – Richard Ev – 2013-09-05T14:56:07.160
2@RichardEv: I fixed the link, but it doesn't contain much more info than the above. – harrymc – 2013-09-05T17:30:41.387
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I have a tip: press Ctrl + R, press: SystemPropertiesAdvanced
to open dialog, preparing for edit environment variables. Remember delete more: ORACLE_UID
. Look for all keyword Oracle
in Registry. – Do Nhu Vy – 2015-05-14T13:51:51.320
1@DoNhuVy means [winkey]+[R], to open the "Run" dialog – matt wilkie – 2015-06-04T16:53:03.603
yes, I have a mistake. – Do Nhu Vy – 2015-06-05T15:30:23.560
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Steps: Stop all Oracle services first.
+1 for the stop Ora* services ramoh, but everything else is covered by earlier answer from @harrymc. – matt wilkie – 2015-06-04T16:33:26.887
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I came here because of this message when trying to install Oracle 11g XE, after a previously failed attempt:
"Installer has detected an already existing XE instance on this system. Installation cannot proceed"
Of course I cleaned all according to various sources, including this one, but it kept complaining. It also did not show up in the list of installed programs.
I remembered a very old utility, that was shipped once with Office 2000 I guess. It is called "Windows Installer Clean up utility" (the original download is called msicuu2.exe
). Download it from a trusted source, run it with admin privileges, and you'll probably find an orphaned record for Oracle in the list.
Click [Remove], confirm the warning and proceed with the setup. It worked for me.
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Use the Universal installer. If you try to uninstall everything at once it will not let you. So first uninstall the program. MAKE CERTAIN TO LEAVE THE UNIVERSAL INSTALLER OPEN. Then go back and uninstall the Home.
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related: http://stackoverflow.com/questions/8450726/how-to-uninstall-completely-remove-oracle-11g-client
– matt wilkie – 2016-09-28T17:47:38.840Try to delete folder
%TEMP%\CVU*%USERNAME%
. After that my deinstall.bat worked fine. – Wernfried Domscheit – 2018-03-07T07:50:14.823