Do not think that re fixing a window will solve the family problem. Family problems should be solved by those who have created it. If you can, tell the vastu expert to ‘re fix your windows in his expense and if your family problem is solved you shall pay double the amount spent on this by him’. You can see, that fellow will not come to you again. It does not mean vastu is superstition, vastu is now a days mis-utilized like this. So it is leading to superstition