Hi, recentyly I've installed Ubuntu 8.04. One of my problems with it is that I can't burn any cd/dvds in any application. For example in K3B I add files to the compilation and click "Burn".Then I select "Verify written data","Multisession: no multisession" and set the speed to 4x and again click "Burn". After 3 seconds I get an error:"Could not determine size of resulting image file" and everything stops. The debugging output contains: /usr/bin/genisoimage exists and /usr/bin/mkisofs is a symbolic link to /usr/bin/genisoimage. In Ubuntu 7.10 everything was working good without such problems. The same dvd burns great under Windows. This Ubuntu 8.04 installation is fresh. I've just installed K3B and some media codecs. I even tried reinstalling. What can be wrong ? Please help.