First you could try in future a more describing title for your problem, something like: Broadband needs reinstall after reboot?
This would describe your problem and let people more aware of the problem you are having. Sorry to be like this but I find it difficult clicking on every thread to see what it is. Most PCA users would agree.
Can you explain what actually happens? Your connection dissapers?
This will help me and other help you...
Just try connecting to the net by opening IE, what happens?