The thread entitled File Opening problems (XP Pro SP2)
can now be found <a href=http://www.wopr.com/cgi-bin/w3t/showthreaded.pl?Cat=&Board=xl&Number=717261&page=0 &view=expanded&sb=5&o=31&part=>here</a>.
Reason: it's not a Windows problem, but an Office problem, more specifically about Excel.