Hi, Ever since updating to 10.6, TM will no longer backup because it cannot access the sparsebundle (it gives an error 109, don't know what that means) I have an external USB disk that is connected to an Airport Extreme. This airport ihas a wired connection with the router in my office where it is connected to my MBP. I had hoped an update to 10.6.2 would resolve the issue, but no. So i deleted the whole sparsebundele and emptied my backup disk, reset the backup disk in the TM preferences and made a new complete backup. This succeeded, but only the first time. It now refuses to make consequent backups, giving me the 109 error again everytime. What could be wrong here?