You wheren't closing the stream so it was keept open not releasing the file lock.
The method that accepts the filename instead of a stream does that in the backgroud I bet.

>I use this simplified version of the transformation and this avoid the file to be locked:
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>loXslCompiledTransform.Transform(oApp.cHttpFat + "Temp\" + lcFile + ".xml", tcFile)
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>However, I am wondering what was the difference with this command:
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>loXslCompiledTransform.Transform(New XPath.XPathDocument(oApp.cHttpFat + "Temp\" + lcFile + ".xml"), Nothing, loFileStream)
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