Hmmm... this really sounds like a glitch with systray not reporting the correct value for sytraycurrentwidth. So I guess I would have to recommend downloading the latest version of systray. You might want to undo those changes just to make sure.

If this makes no difference then try modifying the formula for the width of Divide04 for SystrayOnDel again. I think maybe 20 pixels should be added not subtracted - ^@#d^Divide04TotalWidth-SystrayCurrentWidth+20^@#d^

I'm pretty sure that should correct it. But if it doesn't just mess around with the value of this offset and see what effect it has.