Hi Igor, I have tried uninstalling and re-installing PTE8. I now have new problem as my license key is not accepted. I purchased PTE8 in April 2014 - order ID 2099696. Can you please assist me to install PTE8. I downloaded PTE Evaluation version and tried creating an MP4 file. Again it created the file but with zero data. I don't think VMWare is the problem as I used a trial version of ProShow Producer and it created an MP4. However with PTE8 I was successful in creating an AVI file so that helps me to publish an audio visual. So would appreciate if you could assist me to install PTE8. I look forward to the next version of PTE. Max Biddlestone