This is a transcript of the very first session I have after installing Haskell Platform 7.8.3, 64 bit. Why is cabal-install continuing to be confused about the version installed/available? How can I tell cabal to STFU about it? C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal update Downloading the latest package list from hackage.haskell.org Note: there is a new version of cabal-install available. To upgrade, run: cabal install cabal-install C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal install cabal-install Resolving dependencies... Downloading Cabal-1.20.0.2... Configuring Cabal-1.20.0.2... Building Cabal-1.20.0.2... Installed Cabal-1.20.0.2 Downloading cabal-install-1.20.0.3... Configuring cabal-install-1.20.0.3... Building cabal-install-1.20.0.3... Installed cabal-install-1.20.0.3 C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal update Downloading the latest package list from hackage.haskell.org Note: there is a new version of cabal-install available. To upgrade, run: cabal install cabal-install C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal install cabal-install Resolving dependencies... Configuring cabal-install-1.20.0.3... Building cabal-install-1.20.0.3... Installed cabal-install-1.20.0.3 C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal update Downloading the latest package list from hackage.haskell.org Note: there is a new version of cabal-install available. To upgrade, run: cabal install cabal-install C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal install cabal-install Resolving dependencies... Configuring cabal-install-1.20.0.3... Building cabal-install-1.20.0.3... Installed cabal-install-1.20.0.3 C:\Program Files (x86)\Microsoft Visual Studio 11.0>cabal update Downloading the latest package list from hackage.haskell.org Note: there is a new version of cabal-install available. To upgrade, run: cabal install cabal-install C:\Program Files (x86)\Microsoft Visual Studio 11.0>