Could be.
Did you install the AMD drivers for powersaving (or something like that) from their page? If this is not installed, there are known issues that can cause quite a lot as the time calculation in running apps is incorrect as the stepping / energy saving stuff does not work as the apps assume it does.
There is as well a WinXP hotfix that might be needed additionally (although its normally only needed for Intel dualcores).
Did you install the AMD drivers for powersaving (or something like that) from their page? If this is not installed, there are known issues that can cause quite a lot as the time calculation in running apps is incorrect as the stepping / energy saving stuff does not work as the apps assume it does.
There is as well a WinXP hotfix that might be needed additionally (although its normally only needed for Intel dualcores).