I got this problem set when I reinstall Kaspersky and BI 4... I did clean my registers with CCleaner too and remove the BI files on the C:\ .... So the problems all come from the old BI3 wich I could not remove properly with the uninstall from BI3
What I did so far... I reinstall Kaspersky and it did not work even if I had made an exception for BI in Kaspersky... Then I decided to remove BI and I did cleaned the registers with CCleaner because it seems that uninstall from BI does not clean everything... So reinstall BI from beginning with...
I just saw that Kaspersky was the problem... I did shut it off... and I could do the playback... I check in Kaspersky autorisation and seem to be find. I am trying to reinstall Kaspersky if it will solve the problem... There might be a proble with the old version of BI