Hi, These libraries are listed by ghc-pkg as installed, but aren't on hackage: Cabal-1.6.0.3 base-3.0.3.1 base-4.1.0.0 containers-0.2.0.1 integer-0.1.0.1 parallel-1.1.0.1 syb-0.1.0.1 template-haskell-2.3.0.1 These libraries are also not on Hackage, but can probably be ignored: dph-* ghc-prim-0.1.0.0 rts-1.0