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在vmware7 中用ubuntu 10.04 lts dvd安装nfs时出现如下错误
Err cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)/ lucid/main libnfsidmap2 0.23-2
File not found
Err cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)/ lucid/main librpcsecgss3 0.19-2
File not found
Err cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)/ lucid/main portmap 6.0.0-1ubuntu2
File not found
Err cdrom://Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)/ lucid/main nfs-common 1:1.2.0-4ubuntu4
File not found
Failed to fetch cdrom:[Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)]/pool/main/libn/libnfsidmap/libnfsidmap2_0.23-2_i386.deb File not found
Failed to fetch cdrom:[Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)]/pool/main/libr/librpcsecgss/librpcsecgss3_0.19-2_i386.deb File not found
Failed to fetch cdrom:[Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)]/pool/main/p/portmap/portmap_6.0.0-1ubuntu2_i386.deb File not found
Failed to fetch cdrom:[Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)]/pool/main/n/nfs-utils/nfs-common_1.2.0-4ubuntu4_i386.deb File not found
难道是光盘中的文件不全吗，我从ubuntu的网站上下载的，
请指点，先谢谢！！！！

在ubuntu的官方网站上https://answers.launchpad.net/ubuntu/+question/124243上的回答如下：
This question was expired because it remained in the 'Open' state without activity for the last 15 days.
但是意思我没太明白，请大侠指点一下，我是新手，谢谢！！！