My computer suffered many unninstallations and installations of different Oracle versions.
Now I have intalled an Oracle 10.2.3 version, I want to uninstall it and to install it again to get a right settup.
The problem is that the last time I unistalled I deleted many entries of the registry following this intructions: http://www.filibeto.org/sun/lib/nonsun/oracle/10.2.0.1.0/B19306_01/install.102/b15681/deinstall.htm
And now my OUI doesn´t uninstall anything, it begin the progess bar and the percentages numbers but before to get the 100% it close all the OUI and any file is delete.
I think this is caused because of some missing registry entry.

Anyone can tell me how to uninstall it manually with no OUI and taking into account that I have to install Oracle 10.2.3 again after that?

Thanks!
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delete HKLM\Software\Oracke
c:\Oracle (or where ever you installed it)
c:\program files\oracle
remove Oracle from the Path and then reboot. that will be as if Oracle was never there.
Answered 02/22/2010 by: sbequette
Orange Belt

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This route will, of course, remove ALL versions of Oracle which, given the state in which you seem to have left the machine, won't be a bad idea.

There may also be entries in HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\Oracle.
Answered 02/23/2010 by: VBScab
Red Belt

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Just did this recently.

I didn't need to remove any registry keys, but the following dirs needed to be gone before it would reinstall:

Pathname=%MAINDIR%\app\base
Pathname=%PROGRAM_FILES%\Oracle\Bin
Pathname=%PROGRAM_FILES%\Oracle\Inventory

\app\base is where we had the initial client installed to so change to wherever yours is installed to.
Answered 02/24/2010 by: icbrkr
Senior Yellow Belt

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