Question : Customise toolbar through Group Policy + Server 2003

In group policy is there a way where, when you open explorer you can disable the up button from showing.

Answer : Customise toolbar through Group Policy + Server 2003

Is that because you want to stop them accessing a particular folder or drive?
If so, then you would be better off blocking access to the object, otherwise they might find another way to get there e.g. command prompt.

I don't know of a policy that disables that button specifically.