Hi Dennis,

Did you use the default install directory or a custom one? A custom directory what caused this error for me. The simple solution was to uninstall and reinstall to the default Program Files\Visual Haskell path.

Alternately, have a look at this file here - http://darcs.haskell.org/vshaskell/vs_haskell_setup/setup.vbs

What's failing is the calls to regsvr32.exe - if you search your system for vs_haskell.dll, you'll most likely find that it's in... C:\Program Files\Visual Haskell\bin, no matter what install directory you specified.

If you check the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Visual Haskell\<Visual Studio version>\InstallDir you'll see that it's set to the one you specified (where Visual Studio version is 7.1 for 2003 and 8.0 for VS 2005.

So what's happening is that regsvr32 is trying to find the DLL's in the \bin directory of your specified install dir, but the DLL's are over in Program Files... not sure what other bugs this could introduce, hence why I reinstalled to Progam Files <etc>. If you run the following three commands in a command prompt, it should work to some extent, but I'll reiterate that I haven't tested this.

regsvr32.exe /i:8.0 /n /s "C:\Program Files\bin\vs_haskell.dll"
regsvr32.exe /i:8.0 /n /s "C:\Program Files\bin\vs_haskell_babel.dll"
regsvr32.exe /i:8.0 /n /s "C:\Program Files\bin\vs_haskell_babel.dll"

VS 2003 users should replace 8.0 with 7.1...

Now, is there a bug tracker anywhere for this, or is it just the mailing list? I think the hardcoded paths in http://darcs.haskell.org/vshaskell/vs_haskell_setup/Common.wxs need to be tweaked, or the reg key(s) modified. :-)

Anyway, hope that helps you, good luck.

Liam Clarke


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