The only thing I can think of is the download progress bar that may cause high load on the xserver. I do not think this is a update-manager bug, more either theme, gtk or the xserver. What card/driver are you using?
The only thing I can think of is the download progress bar that may cause high load on the xserver. I do not think this is a update-manager bug, more either theme, gtk or the xserver. What card/driver are you using?