Using a WinXP SP2 with auto MS updates on this box. D7 and D6
installed. I downloaded and installed IBO 4.6B a few hours ago. On
this PC a FB 2 (RC2) engine is installed and running.

An IB_SQL icon was installed to the desktop. Running the icon
gave "Error reading StatusBar.ExplicitTop. Property ExplicitTop does
not exist."

Dropping a TIB_Connection or a TIB_Transaction on a form and 2x
clicking either component gives the same error message.

Dropping a TIB_Query on a form and 2x clicking opens the Query
property form OK.

No connection to FB 2 was attempted, so I am guessing this is not a
FB2 error ...