...here is a quick medicine for this frustrating bugg...
1. Keep the original file / usr/lib/enigma2/python/Components/Converter/FrontendInfo.py in a safe place
2. Throw-in module from the archive / usr/lib/enigma2/python/Components/Converter
3. Restarting the Enigma menu Restart GUI
Attention! If something went wrong, return the saved original / usr/lib/enigma2/python/Components/Converter/FrontendInfo.py in place and again restart Enigma.