I'm trying to update Adobe Flash Player, but after installing at 33% it stops and says unable to load Metafile. I'm using Windows 8.1 on Firefox 35.0.1 and my current version of Adobe Flash Player is 16.0.0. Any information on how to fix this would be helpful, thanks in advance.
This error tends to happen when a new version is being released, however, no new version was being released at the time you posted your comment. I will forward this to the folks that handle the online installer posted to that page. In the mean time, you can download the offline installer, posted at the bottom of the Installation problems | Flash Player | Windows page, in the 'Still having problems' section.
Thanks for the help, i was able to fix it using the offline installer.