error with timidity software

  I am VietNamese ,my English is not very well but I need your help .At first ,thankyou very much with your distributed Ubuntu .Version 7.10 is really wonderfull . I am trying to have sound from Guitar pro 5 with Wine .I have followed some guides in some Ubuntu forum .I've edited some of Timidity Now, the program is error,I 've tried to uninstall it .The symnaptic gave me the notice : E: timidity: subprocess pre-removal script returned error exit status 127 and the Termial :
phantuantung@phantuantung-desktop:~$ sudo dpkg --configure -a && sudo apt-get -f install
[sudo] password for phantuantung:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  emacsen-common
Use 'apt-get autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
E: Could not get lock /var/cache/apt/archives/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the download directory
 Please help me to complete remove anh reinstall Timidity ,Howerver ,help me update my comphuter for fixing this problems
  Once again ,thankyou very much ! In the future , Linux will be the way of Viet Nam and some developing country . Moreover all of the world .

ProblemType: Bug
Architecture: i386
Date: Sun Dec 30 13:05:43 2007
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/sbin/synaptic
NonfreeKernelModules: nvidia
Package: synaptic 0.60ubuntu5
PackageArchitecture: i386
ProcCmdline: /usr/sbin/synaptic
ProcCwd: /home/phantuantung
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: synaptic
Uname: Linux phantuantung-desktop 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux