Here's the stack trace: NTDLL! 77f76148() nsDebug::PreCondition(const char * 0x00667848, const char * 0x00667838, const char * 0x00667804, int 3702) line 112 + 13 bytes nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext & {...}, nsIFrame * 0x0161e180) line 3702 + 42 bytes nsBlockReflowContext::ReflowBlock(nsIFrame * 0x0161e180, const nsRect & {x=0 y=825 width=10560 height=13335}, int 0, nsMargin & {top=0 right=0 bottom=0 left=0}, unsigned int & 0) line 256 nsBlockFrame::ReflowBlockFrame(nsBlockReflowState & {...}, nsLineBox * 0x016dd5a0, int * 0x0012dc04) line 2257 + 45 bytes nsBlockFrame::ReflowLine(nsBlockReflowState & {...}, nsLineBox * 0x016dd5a0, int * 0x0012dc04) line 1675 + 20 bytes nsBlockFrame::ReflowDirtyLines(nsBlockReflowState & {...}) line 1464 + 20 bytes nsBlockFrame::Reflow(nsBlockFrame * const 0x015e0844, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 913 + 18 bytes nsBlockReflowContext::ReflowBlock(nsIFrame * 0x015e0840, const nsRect & {x=0 y=0 width=10800 height=14400}, int 1, nsMargin & {top=0 right=0 bottom=0 left=0}, unsigned int & 0) line 192 + 39 bytes nsBlockFrame::ReflowBlockFrame(nsBlockReflowState & {...}, nsLineBox * 0x016dd140, int * 0x0012e8b0) line 2257 + 45 bytes nsBlockFrame::ReflowLine(nsBlockReflowState & {...}, nsLineBox * 0x016dd140, int * 0x0012e8b0) line 1675 + 20 bytes nsBlockFrame::ReflowDirtyLines(nsBlockReflowState & {...}) line 1464 + 20 bytes nsBlockFrame::Reflow(nsBlockFrame * const 0x015e1da4, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 913 + 18 bytes nsAreaFrame::Reflow(nsAreaFrame * const 0x015e1da4, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 502 + 25 bytes nsContainerFrame::ReflowChild(nsIFrame * 0x015e1da0, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 364 + 28 bytes nsPageFrame::Reflow(nsPageFrame * const 0x015de0f4, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 113 nsContainerFrame::ReflowChild(nsIFrame * 0x015de0f0, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 364 + 28 bytes nsSimplePageSequenceFrame::Reflow(nsSimplePageSequenceFrame * const 0x015dfd94, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 139 nsContainerFrame::ReflowChild(nsIFrame * 0x015dfd90, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 364 + 28 bytes nsScrollFrame::Reflow(nsScrollFrame * const 0x016058e4, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 409 nsContainerFrame::ReflowChild(nsIFrame * 0x016058e0, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 364 + 28 bytes ViewportFrame::Reflow(ViewportFrame * const 0x01605bf4, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsHTMLReflowState & {...}, unsigned int & 0) line 438 nsHTMLReflowCommand::Dispatch(nsHTMLReflowCommand * const 0x016df930, nsIPresContext & {...}, nsHTMLReflowMetrics & {...}, const nsSize & {width=8820 height=5250}, nsIRenderingContext & {...}) line 168 PresShell::ProcessReflowCommands(PresShell * const 0x01607ae0) line 1123 PresShell::ExitReflowLock(PresShell * const 0x01607ae0) line 603 PresShell::InitialReflow(PresShell * const 0x01607ae0, int 8820, int 5250) line 838 DocumentViewerImpl::Init(DocumentViewerImpl * const 0x016003a0, void * 0x0001068c, nsIDeviceContext * 0x01601790, nsIPref * 0x00e821b0, const nsRect & {x=0 y=0 width=588 height=350}, nsScrollPreference nsScrollPreference_kAuto) line 364 nsWebShell::Embed(nsWebShell * const 0x01602670, nsIContentViewer * 0x016003a0, const char * 0x0041697c, nsISupports * 0x00000000) line 668 + 69 bytes nsBrowserWindow::Init(nsIAppShell * 0x00e821f0, nsIPref * 0x00e821b0, const nsRect & {x=0 y=0 width=600 height=400}, unsigned int 8, int 1, nsIDocumentViewer * 0x00eeb060, nsIPresContext * 0x01600f60) line 1372 nsBrowserWindow::ShowPrintPreview(int 40050) line 2309 nsBrowserWindow::DispatchMenuItem(int 40050) line 490 nsNativeBrowserWindow::DispatchMenuItem(int 40050) line 92 HandleBrowserEvent(nsGUIEvent * 0x0012fea8) line 331 + 18 bytes nsWindow::DispatchEvent(nsWindow * const 0x00ece210, nsGUIEvent * 0x0012fea8, nsEventStatus & nsEventStatus_eIgnore) line 369 + 10 bytes nsWindow::DispatchWindowEvent(nsGUIEvent * 0x0012fea8) line 385 nsWindow::ProcessMessage(unsigned int 273, unsigned int 40050, long 0, long * 0x0012fef4) line 1335 + 21 bytes nsWindow::WindowProc(HWND__ * 0x00dd05da, unsigned int 273, unsigned int 40050, long 0) line 428 + 27 bytes USER32! 77e71250()

*** Bug 3485 has been marked as a duplicate of this bug. ***

Currently this page crashes when closing the print preview window, and not when bringing it up. Bug #3485, which I marked as a DUP of this bug, crashes when bringing up the print preview window

Reassigning qa contact to petersen@netscape.com

Fixed in April 23rd Build.