RPM install error ("scriptlet failed")

[Leon Stringer]

On Fri, 2005-12-09 at 21:38 +0000, Leon Stringer wrote:
> When I install non-Fedora RPMs I get:
> 
> error: %post(rpmname-n.n-n) scriptlet failed, exit status 255
> 
> Where rpmname is the RPM (e.g. W3C's Amaya, Real Player, etc.).

I've also for this with some core RPMs now. I've just done "yum update
dbus" and got the same error. Should I be concerned?