Hello.
Using Windows Vista or Windows 7, you have access restrictions on folders. To install the plugin for Sketchup, start PointCab as administrator. Move on the PointCab icon with the right mouse button and choose "Run as administrator". Install the plugin for Sketchup by using the menu. Close PointCab and, then, start PointCab as a user. The next time Google Sketchup
is started, the plugin should be visible in the tool list.
Sincerely,
Richard