wierd sudo problem?

[Chosechu]

Matt Price wrote:
[...]
> thanks forthis.  I had tried the other proposed solutions without
> success, so this might haveworked; however, in the interim the student
> just reinstalled ubuntu and now everything is fine.  ah well.  Thanks,

I had similar symptoms after installing VMware 5 on Ubuntu.
Apparently many people are facing sudo troubles after the
vmware network component has been installed. A simple solution
was to install vmware-player (distributed free of charge).
Hope it helps

-- 
Chosechu