[Haskell-beginners] Cannot Install Yi - Haskell 2011.02.0.0

[Sayth Renshaw]

Hi I am on Windows XP SP3. The unix chain fails to install and therefore i
cannot install Yi.

This is how it is failing. Any ideas on how to get it working?

Registering dyre-0.8.6...
Installing library in C:\Documents and Settings\renshaw\Application
Data\cabal\dyre-0.8.6\ghc-7.0.2
Registering dyre-0.8.6...
cabal: Error: some packages failed to install:
terminfo-0.3.1.3 failed during the configure step. The exception was:
ExitFailure 1
unix-2.4.2.0 failed during the configure step. The exception was:
ExitFailure 1
vty-4.6.0.6 depends on unix-2.4.2.0 which failed to install.
yi-0.6.3.0 depends on unix-2.4.2.0 which failed to install.
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