Hi Mike,  We have seen this error before, and it has been fixed in the newer versions of the component.   I would suggest you download the latest dlls as they contain many enhancement and other bug fixes.  You can find a full list of updates at the following location updated regularly by the lead developer of the component: ...

When I try to add a comment to a new zipfile I get this error: ''{''An unexpected internal failure occurred in the FileSystem component, or one of its descendants. Type: Xceed.Zip.ZipArchive FullName: \''}'' Dim _zip As New ZipArchive(New DiskFile(filename))_zip.DefaultCompressionMethod = ...