I've the same problem before with recordmydesktop generated files. The corruption came from recordmydesktop himself :
https://bugs.launchpad.net/ubuntu/+source/recordmydesktop/+bug/578397
I've the same problem before with recordmydesktop generated files.
The corruption came from recordmydesktop himself :
https:/ /bugs.launchpad .net/ubuntu/ +source/ recordmydesktop /+bug/578397