Qt Designer 4 window doesnt appear

[raman_31181]

Can anyone help me out with this?I am lost......

[raman_31181]

Finally this is solved....
i carried out
yum install qt-designer

This installed 3 packages

================================================== ===========================
Package Arch Version Repository Size
================================================== ===========================
Updating:
qt-designer i386 1:3.3.8-2.fc6 updates 1.9 M
Updating for dependencies:
qt i386 1:3.3.8-2.fc6 updates 3.5 M
qt-devel i386 1:3.3.8-2.fc6 updates 4.6 M

After the installation was complete qt4 designer started working again!!!!! I think it needed some dependencies, qt-devel may be....