Kirsten’s viewer is a rapidly changing and is a bleeding edge viewer. Things that worked well in a previous version may not work in the latest version. Also, the default install process sometimes works well and sometimes it does not work so well. So, knowing the tricks and gotcha’s is essential for those using Kirsten’s Viewer.
Niran put up a post on Kirsten’s forum with a load of tips and tricks. Niran´s Guide for Kirstenviewer