setPixmap cause assertion?

[Equilibrium]

Hi all,

I have a QDialog derived class and in the constructor i load pixmap onto a QLabel

QPixmap lqpm;
sLcgsDir.sprintf("%s\\UI\\Images",getenv("IGTS_DATA_FOLDER_PATH"));
lqpm.load(sLcgsDir+"\\welcome_IGTS.jpg");
mainPixmapLabel->setPixmap(lqpm);

QPixmap lqpm;
sLcgsDir.sprintf("%s\\UI\\Images",getenv("IGTS_DATA_FOLDER_PATH"));
lqpm.load(sLcgsDir+"\\welcome_IGTS.jpg");
mainPixmapLabel->setPixmap(lqpm);

To copy to clipboard, switch view to plain text mode 

this dialog is the mainwidget of the application , and when i close it to exit the application i get into an assertion in dbgDel.cpp on this line

_ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse));

_ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse));

To copy to clipboard, switch view to plain text mode 

if i comment the load , or load an empty Pixmap the assertion does not happen.

Can you please assist?

I use QT 3.3.5 On WinXP

Thanks
Yariv