Problema na instalação de cliente vpn!!

[Gocho]

Boas! Ao tentar instalar um cliente vpn, deparo-me com o seguinte erro:

gocho@gocho-laptop:~/Desktop/vpnclient$ sudo ./vpn_install
Cisco Systems VPN Client Version 4.8.00 (0490) Linux Installer
Copyright (C) 1998-2005 Cisco Systems, Inc. All Rights Reserved.

By installing this product you agree that you have read the
license.txt file (The VPN Client license) and will comply with
its terms.


Directory where binaries will be installed [/usr/local/bin]

Automatically start the VPN service at boot time [yes]no

In order to build the VPN kernel module, you must have the
kernel headers for the version of the kernel you are running.

For RedHat 6.x users these files are installed in /usr/src/linux by default
For RedHat 7.x users these files are installed in /usr/src/linux-2.4 by default
For Suse 7.3 users these files are installed in /usr/src/linux-2.4.10.SuSE by de
fault

Directory containing linux kernel source code []/usr/src/kernel-headers-2.4.27-2
-386

* Binaries will be installed in "/usr/local/bin".
* Modules will be installed in "/lib/modules/2.6.15-26-386/CiscoVPN".
* The VPN service will *NOT* be started automatically at boot time.
* Kernel source from "/usr/src/kernel-headers-2.4.27-2-386" will be used to buil                                                                                                   d the module.

Is the above correct [y]y

Making module
make -C /usr/src/kernel-headers-2.4.27-2-386 SUBDIRS=/home/gocho/Desktop/vpnclie                                                                                                   nt modules
make[1]: Entering directory `/usr/src/kernel-headers-2.4.27-2-386'
make -C  /home/gocho/Desktop/vpnclient CFLAGS="-D__KERNEL__ -I/usr/src/kernel-he                                                                                                   aders-2.4.27-2-386/include -Wall -Wstrict-prototypes -Wno-trigraphs -Os -fno-str                                                                                                   ict-aliasing -fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2                                                                                                    -march=i386 -DMODULE -DMODVERSIONS -include /usr/src/kernel-headers-2.4.27-2-38                                                                                                   6/include/linux/modversions.h" MAKING_MODULES=1 modules
make[2]: Entering directory `/home/gocho/Desktop/vpnclient'
make[2]: *** No rule to make target `modules'.  Stop.
make[2]: Leaving directory `/home/gocho/Desktop/vpnclient'
make[1]: *** [_mod_/home/gocho/Desktop/vpnclient] Error 2
make[1]: Leaving directory `/usr/src/kernel-headers-2.4.27-2-386'
make: *** [default] Error 2
Failed to make module "cisco_ipsec.ko".

Coloquei o texto todo da instalação para ver se alguem consegue detecar o problema, já que eu não consigo sair daki!! Já procurei por todo lado, mas não vejo como resolver isto... acho que vou-me virar para o windows mais uns tempos, porque sem vpn não tenho outra hipotese de ter net.... Cumps.