hi friends ,

usually where this error occurs i cant find it ... when i run my code its giving
Qt Code: 
  1. QPainter::begin: A paint device can only be painted by one painter at a time.
  2. QPainter::begin: A paint device can only be painted by one painter at a time.
  3. QPainter::begin: A paint device can only be painted by one painter at a time.
  4. QPainter::begin: A paint device can only be painted by one painter at a time.
  5. QPainter::begin: A paint device can only be painted by one painter at a time.
  6. QPainter::begin: A paint device can only be painted by one painter at a time.
  7. QPainter::begin: A paint device can only be painted by one painter at a time.
  8. QPainter::begin: A paint device can only be painted by one painter at a time.
  9. Segmentation fault
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and the core dump occurred ...

can any one please explain where this problem arises ....