Deinstall Oracle 12c
Run the installer as an elevated user setup.exe -deinstall -home C:\app\oracle\product\12.1.0\dbhome_1
Error Running Oracle Universal Installer 10.2.0.1
The error can occur when either installing or uninstalling (deinstalling) Oracle 10.2.0.1. To resolve the error: 1). Set the OUI exe to Windows XP SP3 mode (right click > properties) …