I suggest you to stop using evilsperm's VM wich seems to be outdated.
Latest pre-compiled PSL1GHT environnement :
Precompiled PSL1GHT (v2) for Linux x86_64 (64bits) : psl1ght-v2-x86_64.tar.bz2 (MD5 : a78fb73f2ee60b3344ad5fe4edf9467f)
Source : http://ps3devwiki.com/wiki/PSL1GHT
But the best way, if you do not want to install GNU/Linux on your PC, is to create yourself a VM with the latest debian stable and follow these instructions :
If you want to update PSL1GHT :
Use the official GIT repository wich includes
's commits (Jul 08, 2012 - Jul 18, 2012) :
ps : Your problem is a user rights issue, use the command sudo or execute it under root access (su -).