why Qt in PATH cannot be found?

[hqking1988]

HI,
i've used Qt Creator smoothly for nearly a week,but suddenly he warned me:
Qt in PATH cannot be found.
but i can't remember what peculiar thing i did to him.i need your help.

[tbscope]

The only thing that needs to be found is qmake. All the rest can be found using qmake.
So, check your PATH environment variable and see if the folder/directory of qmake is in there. If not, add it, or change the search paths in Qt Creator.