Lenovo 3000 N100 notebook cannot connect to my wireless network

Hello,
this is my first post. I am new member. I also am a very novice/amateur computer user and so I need some help from some pros or anyone that has experienced a similar problem and can help fix my laptop. I have a Lenovo 3000 N100 laptop model number 0768 6EU. About a week ago I updated/downloaded a bunch of software upgrades from Lenovo's website recommended for this computer. Prior to this download I was able to connect to my wireless home network. But after the download of various required/recommended software upgrades it no longer connects to the wireless home network. my other laptops connect so I know that it is not my wireless router. I have tried various things recommended by the ThinkVantage access connection on my computer but I get the following on that: signal strength: 0%, status: disconnected, IP address: not assigned. I also ran the diagnostic tools and it gave me the following: connection status: disconnected, cause: wireless stack initialization failed, error code: 118, recommended action please check the wireless driver installation. I even went to the Intel wireless 3945 abg hardware properties window and pressed the tab to revert back to the prior driver for the wireless card. I would appreciate any help. I know this message/post is long but it is the only way I can explain what is going on

Hi
I have this problem also with my Lenovo 3000 V200.
Sometimes when I boot up the PC it will connect to the network and everything works just fine.
At other times, after boot, the "wireless stack initialization failed, error code: 118" problem occurs
and the only way to solve it seems to be a PC restart. Nothing else I do will bring the network up.
If I study the Networking tab in Task Manager it indicates that no adapters are available (wired eth.
access also fails). At a few occations connectivity have failed alltogether (i.e. a reboot have not solved
the problem). Last time this occured I had to reinstall the complete system (from a previous backup)
to get networking up.
I have tried different versions of Access Connections (5.02, 5.12, 5.21) and the same problem occurs
at seemingly random instances in time. This is obviosly a problem with the Access Connections software
since the Wireless networking works fine when I let windows manage it...
Anyone with a fix?
/Fredrik

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@ortegaluis: my hard disk crashed a few days back (i have 3000 n100 and currently running the machine on a 1 gb pen drive )
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