I have downloaded again and had the correct MDA checksum. I had the same problem. I am enclosing the lines from the install.log relating to this install attempt.
Thanks for your help, Warren Burton Jul 27 19:19:27 fwb Installer[10630]: Haskell Platform Installation Log Jul 27 19:19:27 fwb Installer[10630]: Opened from: /Users/warren/Public/Haskell Platform 2011.2.0.1-i386.pkg Jul 27 19:19:27 fwb Installer[10630]: Product archive /Users/warren/Public/Haskell Platform 2011.2.0.1-i386.pkg trustLevel=100 Jul 27 19:19:29 fwb Installer[10630]: InstallerStatusNotifications plugin loaded Jul 27 19:20:00 fwb runner[10634]: Administrator authorization granted. Jul 27 19:20:00 fwb Installer[10630]: ================================================================================ Jul 27 19:20:00 fwb Installer[10630]: User picked Standard Install Jul 27 19:20:00 fwb Installer[10630]: Choices selected for installation: Jul 27 19:20:00 fwb Installer[10630]: Install: "Haskell Platform" Jul 27 19:20:00 fwb Installer[10630]: Install: "Glasgow Haskell Compiler" Jul 27 19:20:00 fwb Installer[10630]: Haskell Platform 2011.2.0.1-i386.pkg#ghc.pkg : org.haskell.HaskellPlatform.GHC.pkg : 1 Jul 27 19:20:00 fwb Installer[10630]: Install: "Haskell Platform Libraries" Jul 27 19:20:00 fwb Installer[10630]: Haskell Platform 2011.2.0.1-i386.pkg#haskell.pkg : org.haskell.HaskellPlatform.Libraries.pkg : 1 Jul 27 19:20:00 fwb Installer[10630]: Haskell Platform 2011.2.0.1-i386.pkg#haskellPlatformPostflight.pkg : org.haskell.haskellPlatform.postflight.pkg : 1.0 Jul 27 19:20:00 fwb Installer[10630]: ================================================================================ Jul 27 19:20:00 fwb Installer[10630]: It took 0.00 seconds to summarize the package selections. Jul 27 19:20:00 fwb Installer[10630]: -[IFDInstallController(Private) _buildInstallPlan]: location = file://localhost Jul 27 19:20:00 fwb Installer[10630]: -[IFDInstallController(Private) _buildInstallPlan]: file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#ghc.pkg Jul 27 19:20:00 fwb Installer[10630]: -[IFDInstallController(Private) _buildInstallPlan]: file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#haskell.pkg Jul 27 19:20:00 fwb Installer[10630]: -[IFDInstallController(Private) _buildInstallPlan]: file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#haskellPlatformPostflight.pkg Jul 27 19:20:00 fwb Installer[10630]: Set authorization level to root for session Jul 27 19:20:00 fwb Installer[10630]: Will use PK session Jul 27 19:20:00 fwb Installer[10630]: Starting installation: Jul 27 19:20:01 fwb Installer[10630]: Configuring volume "FWB" Jul 27 19:20:01 fwb Installer[10630]: Preparing disk for local booted install. Jul 27 19:20:01 fwb Installer[10630]: Free space on "FWB": 56.72 GB (56723005440 bytes). Jul 27 19:20:01 fwb Installer[10630]: Create temporary directory "/var/folders/y8/9wpmb_wx39549ryz203ps_b80000gn/T//Install.10630yxNisw" Jul 27 19:20:01 fwb Installer[10630]: IFPKInstallElement (3 packages) Jul 27 19:20:01 fwb Installer[10630]: Using authorization level of root for IFPKInstallElement Jul 27 19:20:01 fwb installd[10641]: PackageKit: ----- Begin install ----- Jul 27 19:20:01 fwb installd[10641]: PackageKit: request=PKInstallRequest <3 packages, destination=/> Jul 27 19:20:01 fwb installd[10641]: PackageKit: packages=( "PKLeopardPackage <file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#ghc.pkg>", "PKLeopardPackage <file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#haskell.pkg>", "PKLeopardPackage <file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#haskellPlatformPostflight.pkg>" ) Jul 27 19:20:01 fwb installd[10641]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=110 "An error occurred while extracting files from the package “Haskell Platform 2011.2.0.1-i386.pkg”." UserInfo=0x7fa790d63740 {NSLocalizedDescription=An error occurred while extracting files from the package “Haskell Platform 2011.2.0.1-i386.pkg”., NSFilePath=/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/Cleanup At Startup/PKInstallSandbox-tmp/Root/Library/Frameworks, NSURL=file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#ghc.pkg, PKInstallPackageIdentifier=org.haskell.HaskellPlatform.GHC.pkg, NSUnderlyingError=0x7fa790d92960 "The file couldn’t be opened because it isn’t in the correct format."} { NSFilePath = "/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/Cleanup At Startup/PKInstallSandbox-tmp/Root/Library/Frameworks"; NSLocalizedDescription = "An error occurred while extracting files from the package \U201cHaskell Platform 2011.2.0.1-i386.pkg\U201d."; NSURL = "file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#ghc.pkg"; NSUnderlyingError = "Error Domain=NSCocoaErrorDomain Code=259 \"The file couldn\U2019t be opened because it isn\U2019t in the correct format.\""; PKInstallPackageIdentifier = "org.haskell.HaskellPlatform.GHC.pkg"; } Jul 27 19:20:01 fwb Installer[10630]: install:didFailWithError:Error Domain=PKInstallErrorDomain Code=110 "An error occurred while extracting files from the package “Haskell Platform 2011.2.0.1-i386.pkg”." UserInfo=0x7fc0bba88b50 {NSUnderlyingError=0x7fc0bba88be0 "The file couldn’t be opened because it isn’t in the correct format.", NSFilePath=/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/Cleanup At Startup/PKInstallSandbox-tmp/Root/Library/Frameworks, NSURL=file://localhost/Users/warren/Public/Haskell%20Platform%202011.2.0.1-i386.pkg#ghc.pkg, PKInstallPackageIdentifier=org.haskell.HaskellPlatform.GHC.pkg, NSLocalizedDescription=An error occurred while extracting files from the package “Haskell Platform 2011.2.0.1-i386.pkg”.} Jul 27 19:20:02 fwb Installer[10630]: Install failed: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. Jul 27 19:20:02 fwb Installer[10630]: IFDInstallController BA4601C0 state = 7 Jul 27 19:20:02 fwb Installer[10630]: Displaying 'Install Failed' UI. Jul 27 19:20:02 fwb Installer[10630]: 'Install Failed' UI displayed message:'The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.'. ----- Original Message ----- | #182: Haskell Platform will not install on current Macintosh | ---------------------------+------------------------------------------------ | Reporter: fwburton | Owner: MtnViewMark | Type: defect | Status: new | Priority: major | Milestone: | Component: OSX installer | Resolution: | Keywords: | | ---------------------------+------------------------------------------------ | | Comment(by MtnViewMark): | | The error is indicative of a corrupted download. I doubt it has | anything | to do with Lion or Xcode -- the installer isn't even getting as far as | reading the contents of the packages! | | I believe the MD5 of that version of the Mac installer package should | be: | 1782d246279fd4c44ac7696221fd055a | | Is that what you have? | | -- | Ticket URL: | <http://trac.haskell.org/haskell-platform/ticket/182#comment:4> | haskell-platform <http://trac.haskell.org/haskell-platform> | The Haskell Platform: a comprehensive and robust collection of Haskell | libraries _______________________________________________ Haskell-platform mailing list Haskell-platform@projects.haskell.org http://projects.haskell.org/cgi-bin/mailman/listinfo/haskell-platform