Dear Michel,
Please use Microsoft regedit.exe and try to locate it manually
mastintin wrote:Nages. You ar this key in regedit ?
HKEY_CLASSES_ROOT\.xls\ShellEx\{8895b1c6-b41f-4c1c-a562-0d564250836f}"\Default :=" {00020827-0000-0000-C000-000000000046}"