Can't connect to Westell Router

I recently got a new desktop PC with Vista Home Premium. Until two days ago
it was connecting to my wireless router and the internet just fine. Now it
will not connect to my wireless network at all. Sometimes it shows up in the
available network list and sometimes it doesn't. Every now and then it
appears to be connected but then when I go to access the internet it fails.
I've spoken with Verizon Internet support and HP support at length with no
resolution. My HP has a USB wireless 802.11 b/g adaptor. My two older
laptops (both HP) have windows XP and are connecting to my Westell router
with no problem. I assume the problem is with the new computer running Vista
and not the router.

Please, can anyone help me?

I have a similar Westell 327W question. I usually connect 3 0r 4 units
Two wired, 2 wireless. They all connect and work fine, but the mai
screen shows only two activly connected even though all connect to th
internet fine

--
Pugster