The Application "Account-Tool Could Not Be Opened Because
'ObjectSupportLib" Could Not Be Found.
Summary: If you are running System 7.6 or 7.6.1 on any PowerMac and
you have disabled the ObjectSupportLib by de-selecting it in Extensions
Manager, removing it from the Extensions folder, selecting "All Off" in
the Extensions Manager, or removing it from the Mac entirely you will
receive the error message.
This will not occur if you start you Mac while holding down the Shift key
to disable the extensions.
- Install/enable the Object Support Library.