Attempting to look at regression test reports gives a Python error trace: Traceback (most recent call last): File "D:\inetpub\wwwroots\engineering.meta-comm.com\boost-regression\handle_http.py", line 324, in ? main( os.environ.get('PATH_INFO', ''), os.environ['SCRIPT_NAME'], cgi_writer() ) File "D:\inetpub\wwwroots\engineering.meta-comm.com\boost-regression\handle_http.py", line 303, in main extract_and_send( writer, page_components[0], page ) File "D:\inetpub\wwwroots\engineering.meta-comm.com\boost-regression\handle_http.py", line 239, in extract_and_send build_index( archive_path ) File "D:\inetpub\wwwroots\engineering.meta-comm.com\boost-regression\handle_http.py", line 188, in build_index z = zipfile.ZipFile( archive, 'r', zipfile.ZIP_DEFLATED ) File "C:\Python24\lib\zipfile.py", line 210, in __init__ self._GetContents() File "C:\Python24\lib\zipfile.py", line 230, in _GetContents self._RealGetContents() File "C:\Python24\lib\zipfile.py", line 262, in _RealGetContents raise BadZipfile, "Bad magic number for central directory" BadZipfile: Bad magic number for central directory D:\inetpub\wwwroots\engineering.meta-comm.com\boost-regression\tmpsrga3w.html contains the description of this error.