Another day, another strange PowerDirector 10 problem; this time in multi trim.

I'm attempting to multi trim a wmv file. I can import it normally, the file plays in normally in the main PowerDirector window as you'd expect without any issues.

All is well until the file is loaded into the multi trim window at which point the main work space pane (the trimming window) doesn't render - just a black pane. Puzzling is the fact that the video renders as normal in the small preview windows (at one minute intervals) beneath the main multi trim pane.

I can manipulate the sliders as normal, and I can even trim the file as normal (I simply can't see where I'm cutting...black window, remember?). I can even export that cut file to the main PowerDirector window where it shows I've made cuts in the original file - I simply can't see the file as I'm cutting it - all I get is that black window!

I've changed the file to an MP4 with Nero Recode and still have the same problem. The file is not copyright protected.

Any idea what's going on here?