Hi halkunde

Steps to uninstall Oracle 8i. (CLEAN BOOT)

1. Stop all oracle services.
2. use regedit HKEY_LOCAL_MACHINE -> Software -> delete all with name 'oracle...'
3. use regedit HKEY_LOCAL_MACHINE -> System -> Current Control Set -> Services -> delete all keys with name 'oracle...'
Repeat 3 for 'Controlset001...'
4. come out of regedit
5. delete all oracle dir/folders on hard drives.
6. delete oracle folder in program files directory (which has installation inventory)
7. delete oracle program icons from 'start menu'
8. reboot system

Now, system is ready for fresh installation.


With best wishes.