I have a dell inspiron 64 bit and I'm running both windows 7 and Ubuntu in dual boot

I am having trouble installing skype and wine.

When I try to install skype etc I get the following error:

 sudo apt-get install ia32-libs

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are Blockquote using the unstable distribution that some required packages have not yet been created or been moved out of Incoming.

The following information may help to resolve the situation

The following packages have unmet dependencies:

ia32-libs : Depends: ia32-libs-multiarch but it is not installable E: Unable to correct problems, you have held broken packages