When you launch the application, the window frame is smaller than the content. If you resize the window (or even just threaten to, see below) then everything gets adjusted. This suggests to me that the initial content rendering is using a different rectangle than the initial window placement. Steps to reproduce: 1. Launch apprunner.exe 2. Notice how the bottom of the browser window comes to just below the Build ID string, slicing through the purple bar at the bottom of the window content. 3. Click on the frame, as if you were to drag the window larger. 4. *Without* moving the mouse, release the mouse button. Notice that the window content has been resized to fit the original frame. 5. Click and drag to resize the window. Notice that the content now behaves properly, drawing within the frame. System information: Windows NT 4 service pack 3 Visual C++ 6.0 Mozilla build 1999042714

Peter -- this one looks like yours. Enjoy.

reassigning to evaughan as p4 for m7

Fixed for M5.

VERIFIED fixed for 1999052517 builds on WinNT

BULK MOVE: Changing component from XUL to XP Toolkit/Widgets: XUL. XUL component will be deleted.