23 00 37 00 37 00 37 00 = #777
So what appears to be happening is they are creating a null value to reconnect to after the cachetime has elapsed.
And as for a reg editor, there's none better than dotfred's excellent task manager, which is included by default in the kitchen ROMs. You can also find it for download if you google.
It has an easy export function... my suggestion would be to export the current state of the ...\Planner\Settings key and then make the changes here, soft reset, and justt see if it works. If it doesn't just tap on your exported file and it will import the old settings back in.