I encounter and DOWNLOAD_ERR when I use the VideoCache Bundle 1.9.2 that I just brought. I had been running VideoCache using the same version 1.9.2 (older) without problem using the same configuration but with the new bundle is not caching any youtube video.
I post a part of the /var/log/videocache/videocdache.log here,
Below is my configuration,
Temporary I am going to use back the old VideoCache that's still working fine although it have some minor error message in log file.