goal: How to clean up a failed install of Oracle Applications 11.5
goal: How to remove a previous installation of Oracle Applications 11.5
fact: MS Windows NT
fact: MS Windows 2000
fact: Application Install 11.5



fix:


CAUTION:
The instructions will remove ALL Oracle Applications environments from the 
server(s) involved. Do use for removing one environment and leaving one in tact.

NOTE: This method should only be used on a system where no other Oracle         
   software has been installed and this is a first time installation of Oracle  
          Applications.


1. Using the Windows NT Explorer, navigate to the c:\Program Files 
directory and remove the following: 

\Oracle directory
config.txt file 
rapidinstall directory

2. If any Oracle Services are running stop them via the control panel otherwise 
you may not be able to delete the Oracle files.

3. Using the Windows NT Explorer, navigate to the drive or drives where you 
specified the ORACLE_HOME and APPL_TOP to be installed and remove those files.

4. Using the registry editor (regedit), navigate to the following directory 
structure: HKEY_LOCAL_MACHINE\SOFTWARE select the Oracle folder and delete it.

5. Using the registry editor, remove all the services that were installed.
WARNING! Be very careful. If you delete the wrong service you can make your NT 
stop functioning! 
5a. Navigate to the following directory: HKEY_LOCAL_MACHINE->SYSTEM->
ControlSet001->Services 
5b. Remove all entries beginning with Oracle. 
5c. Navigate to the following directory:           HKEY_LOCAL_MACHINE->
SYSTEM->ControlSet002->Services 
5d. Remove all entries beginning with Oracle.                       
HKEY_LOCAL_MACHINE->SYSTEM->CurrentControlset->Services 
5f. Remove all entries beginning with Oracle. 

6. Remove any Oracle related "User" environment variables 
6a. Open Control Panel/System 
6b. Click on Environment Tab. 
6c. Remove any variables from the User section, such as NLS*, ORACLE*, LOCAL, 
or APPL* 
6d. In the System Variables section delete CLASSPATH if set. 
6e. Also remove any Oracle specific directories from the PATH variable.
6f. Cleanup the wv_gateway environment variable

7. Perform instructions in step 6 for the System environment section

8. Right-click on the start button and select open all users. Select program 
and delete any oracle directories that exist. Also delete the two Apache 
directories.

9. Reboot the machine.