On 3 Jul 1999, James Troup wrote: > Joerg Plate <plate@psyche.kn-bremen.de> writes: > > Package: dpkg > > Version: 1.4.1.3 > > Severity: normal > > > > Reading Package Lists... Done > > Building Dependency Tree... Done > > Merging Available information > > E: Invalid operation dumpavail > > This is not dpkg, but apt. I've never seen this before. What version are you using? Can you debug the shell script to see why it is doing that? Jason