I run a continuous integration server and run multiple installer builds at
the same time and haven't received this error before.  Are the 2 projects in
the same working directory?  What version of WiX are you running?

Matt

On Thu, Nov 20, 2008 at 12:32 PM, Chris Eldredge
<[EMAIL PROTECTED]>wrote:

> I have a continuous integration server with multiple, unrelated
> projects.  The machine has multiple cores so I let the projects build
> asynchronously.  When 2 instances of light.exe run at the same time, bad
> things seem to happen.
>
> Can anyone confirm or deny that light.exe does something (maybe temp
> files or something else) that causes 2 instances running at the same
> time to crash?
>
> I had to delete the entire profile directory for my service account
> today because I was getting this error:
>
> LGHT0001: The file exists. (Exception from HRESULT: 0x80070050)
>
> Unhandled Exception: System.AccessViolationException: Attempted to read
> or write protected memory. This is often an indication that other memory
> is corrupt.
>                        at
>
> Microsoft.Tools.WindowsInstallerXml.Cab.Interop.CabInterop.CreateCabFinish(IntPtr
> contextHandle)
>                        at
> Microsoft.Tools.WindowsInstallerXml.Cab.WixCreateCab.Dispose()
>                        at
> Microsoft.Tools.WindowsInstallerXml.Cab.WixCreateCab.Finalize()
>
>
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