German-English translations for fehlfunktion

• malfunction
  She told him the machine was poorly built, but they both knew that she was the one who had malfunctioned.
• bug
  These flies are a bother. I’ll get some bug spray and kill them
  The software bug led the computer to calculate 2 plus 2 as 3
  He’s got the flu bug
• dysfunction
  Ladies and gentlemen, this dysfunction must be corrected as a matter of urgency so that we can guarantee a genuine R+D strategy in the field of energy. Meine Damen und Herren, diese Fehlfunktion muss dringend korrigiert werden, damit wir eine echte FuE-Strategie im Bereich der Energie gewährleisten können.