pre-installation script returned error during package installation

[T <mlist4suntong@yahoo.com>]

Hi

I got the "pre-installation script returned error" during package
installation. Is there any solution / workaround? 
What else should I check?

thanks

Tong

PS. here is the full info:

Installing linux-image-2.6.15-1-k7 under etch failed:

% apt-get install linux-image-2.6.15-1-k7
Suggested packages:
  linux-doc-2.6.15 linux-source-2.6.15 lilo grub fdutils
Recommended packages:
  libc6-i686
The following NEW packages will be installed:
  linux-image-2.6.15-1-k7
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Preconfiguring packages ...
(Reading database ... 52510 files and directories currently installed.)
Unpacking linux-image-2.6.15-1-k7 (from .../linux-image-2.6.15-1-k7_2.6.15-8_i386.deb) ...
Ok, Aborting
dpkg: error processing /var/cache/apt/archives/linux-image-2.6.15-1-k7_2.6.15-8_i386.deb (--unpack):
 subprocess pre-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/linux-image-2.6.15-1-k7_2.6.15-8_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)