In addition, what did you have installed before?  How well did it run? How much ram do you have?

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From: plug-discuss-bounces@lists.plug.phoenix.az.us [mailto:plug-discuss-bounces@lists.plug.phoenix.az.us] On Behalf Of James Mcphee
Sent: Friday, July 20, 2012 4:06 PM
To: Main PLUG discussion list
Subject: Re: kubuntu 12.04 performance deterioration

Standard system troubleshooting would be a good place to start.  What is your IO and CPU like?  Are you swapping to disk a lot?  Do you have any obvious errors in /var/log/messages?  Do some of your processes consume an inordinate amount of memory?  etc etc