Broadcom Wireless freezes randomly

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My Acer Aspire 3000 series's,  Broadcom Network Adapter 802.11g's
(BCM4318) driver is as default came with my Acer notebook.
After having freezing problems when browsing the net or downloading
with no chance to reach also, i decided to update to a new
driver also supports 802.11n, but after updating successfully(although
i can browse sites successfully), the Wi-fi LED indicator which is
built on to my notebook went CRAZY!!! It lits randomly and irregularly
after rolling back to old original driver, Wi-fi LED went back to
normal but i want to get rid of this strange freeze problem.

The problem i'm having about freezing: While i'm surfing or
downloading the net smoothly, randomly the data transfer(receive and
sent, bi-directional) stops, no packets are received or sent anymore,
I use Wireless Zero Configuration of XP Home SP2.  But the connection
does NOT seem disconnected and no logs in event viewer about this. I'm
on channel 11 with my US Robotics 9108 MaxG router. Also there are
some several wireless networks around my building.

Then after searching for a long time, i'm forced to update to a new
driver, but i'm furious because there's no newer drivers in Acer's
supports site for my wireless adapter, even in Broadcom's site.

The driver which is suited to my adapter but Wi-fi LED went crazy by
flashing irregularly and intermittently:

What do you think?

Is freezing after connecting or surfing for a while related to router
or drivers of my wi-fi adapter?

NOTE: The only solution is to disable/enable wireless adapter from
''network connections'' or to use ''repair'' option, then the
connection establishes successfully. Also i'm using WPA-PSK with 22

Thanks for the help.


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