Comment 23 for bug 150373

I just had the error popup on my desktop...I was using file-roller to make a .7z archive and as others have said it make the archive just fine until it checked it:
I'm using ubuntu 8.04 Hardy Heron with gnome
Here is what I got -

Everything is Ok
7-Zip (A) 4.57 Copyright (c) 1999-2007 Igor Pavlov 2007-12-06
p7zip Version 4.57 (locale=en_US.UTF-8,Utf16=on,HugeFiles=on,1 CPU)

Scanning

Updating archive /home/r00t/r00t.7z
System error:
E_NOTIMPL