[ubuntu] libreoffice writer freezes with scroll bar

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http://ubuntuforums.org – Hello, I have an hp compaq 6720s laptop dual boot win vista/ ubuntu 12.04 with gnome fallback desktop. I have installed the default libreoffice of precise, i.e. I am doing a .odt document with writer including text and images .jpg and .bmp downloaded from web, the document is about 9 pages with 12 images. When I click on scroll bar to go up and down the document, screen freezes for about 20-25 seconds or so, till it recovers and moves to the desired part of the document. Also, I observe, when loading the document, it takes a long time to load and show the images, unless the tex (Hardware)