Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
@Janani I would also check the Windows event log - maybe you find some hints there?
Problem Solved: '/' not '\' in .pro file AND run qmake after change.
I tried changing '\' to '/' but didn't run qmake.