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I'm trying to run VMware player 3.1.4 on the latest ubuntu (11.04), but it fails to launch saying:

Kernel Headers for generic pae not found.
C header files matching your running kernel were not found. Refer to your distribution's documentation for installation instructions.

But when I type

mamluck@mamluck:~$ uname -r

what am I doing wrong?

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up vote 1 down vote accepted

Well, you have to install the kernel headers: sudo apt-get update && sudo apt-get install linux-headers-2.6.38-8-generic-pae.

More info here

Good luck!

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I already did that but it doesn't work :( – Mascarpone May 11 '11 at 8:25
Why it fails? No Internet connection? Repositories setup? Error message? – grs May 11 '11 at 13:43

I had the same problem. Do a reinstall:

sudo apt-get install --reinstall linux-headers-`uname -r`
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