Error installing - qt.502.patcher

Installer Error
Error during installation process (qt.502.patcher):
The output of
C:\Qt\Qt5.0.2\5.0.2\mingw47_32\bin\qmake.exe-query
is not parseable. Please file a bugreport with this dialog https://bugreport.qt-project.org.
output: ""

Retry Ignore Cancel

Retry results in the same message. Re-Install also.
Ignore allows installation to finish, but major pieces seem to be missing.
Examples shows no examples, search does nothing.
Loading examples or projects says there are no Kits, but the kits dialog shows nothing.
I can't use the product at all.

I can't find an installation log to attach.