10.4.9 and internet speed

I am being told by my internet provider (charter) that they are getting many calls about poor internet speed w/ mac users after the 10.4.9 upgrade. my internet speed are really back after the upgrade. has anyone heard of this and if so how to fix it?

A few things to try, with no guarantees:
* Visit sites such as http://www.macfixit.com and http://www.macintouch.com to see if others have reported the problem and/or workarounds/fixes.
* Run Disk Utility and "fix permissions", and "verify disk".
* Run Activity Monitor and see if any obvious culprits are shown - CPU utilization way too high, constant disk activity, constant paging, unexplained network activity (or lack of it), etc.
* Download and install the "combo" 10.4.9 updater.
* If you know what to look for, look at the network settings and see if they make sense.
* Do you have a PC or a Mac running 10.4.8 to use as a control sample?
Doug

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