Check to see if you have a latest Network Adaptor driver

Also, check to see if there is vista compatible updated firmware for your
router.

"KlausK" wrote:
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> I have a Linksys wireless n router and have 2 notebooks (XP) and one
> notebook (vista), all of which use wireless connections to the router. I use
> 128 bit WEP encryption and the 2 XP notebooks have ZERO problem. However,
> the Vista notebook keeps losing the encryption key and thus loses wireless
> connection. If I re-enter the key, the wireless connection works but some
> time later, the same problem happens again. What is going on? Thanks.
>
>
>[/color]