Quickly and to start with -- , You do not have enough free space on your system drive for the temporary files generated by the program. When did you last do any maintenance on it - get rid of temp and tmp files, delete programs that you no longer use or that were trial programs and defrag and if it is not a SSD, defrag?
The same thing for your other drives but they should not affect your shortening of the videos.
Always run your Windows fonts at 96 dpi (100%).
After you do the maintenance and try it, let us know if your issue is solved.
I will look closer at your dxdiag file to see if I can see anything else.
Are you now raising another issue about "clutter artifacts"?
This message was edited 1 time. Last update was at Nov 22. 2014 09:19
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BoilerPlate: To posters who ask for help -- it is nice to thank the volunteers who try to answer your questions !
Anything I post unless stated with a reference is my personal opinion.