OUI-10136: An Oracle Home with name OH1241764777 already exists at location

When installing OHS in the machine, which has also installed WLS, webcenter, SOA and UCM etc, it reported the below error during installation:

OUI-10136: An Oracle Home with name OH1241764777 already exists at location

Cause:

As we has also installed WLS, WC, SOA etc before, oraInventory folder exists in /u01 directory, which recorded the Oracle Home information when installing other products before.

Solution:

Remove or rename this folder name, and do it again. It should succeed to install it.