Yeah , I've had this happen to me as well , and somehow corrected the problem . Unfortunately I can't remember precisely how at the moment , which I realise isn't much help to you . Not sure if this was the solution I finally found , but it's worth trying . Open one or more pages as new windows , then maximize them manually as Baronorca suggested . Then close Internet Explorer right there and shut down your computer . When you power up again and try IE you could have the problem licked . Write and let me know if it works will you , I'm bound to have this happen to me again , and it'd be good to have a solution ready to hand .
As a side issue , the spell check window on ADT no longer opens as a small pane anymore but as a full sized beastie . A change in Avant browser , or in ADT software ?

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