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I have the same problem, GCC kernel headers make etc.. is installed, but the installer simply does not want to install. Parallels 9 here as well.
Ok updating was really the resolution to the problem. The tools now have installed.
Thanks for pointing out that a new version was out.
This could be the issue, I am on an older version of Parallels, updating as we speak.
I have the same problem here. I did a full KDE install from the latest OpenSuSE DVD, and upon installing the parallels tools I run into exactly...