Hi :) Did you download from here? http://www.libreoffice.org/download/ I'm not sure how to find the md5sum to check the download with so it might be better to just re-download again. Alternatively in some countries it's possible to get a dvd mailed to you by snail-mail. Regards from Tom :) --- On Sat, 25/2/12, marina <cramermarina@yahoo.com> wrote: From: marina <cramermarina@yahoo.com> Subject: [libreoffice-users] Can't install LO 3.5 Windows To: users@global.libreoffice.org Date: Saturday, 25 February, 2012, 22:48 Error message reads : This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package. Also - my mailing list registration email came back as undeliverable spam. Thanks for any suggestions. -- View this message in context: http://nabble.documentfoundation.org/Can-t-install-LO-3-5-Windows-tp3775934p3775934.html Sent from the Users mailing list archive at Nabble.com. -- For unsubscribe instructions e-mail to: users+help@global.libreoffice.org Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette List archive: http://listarchives.libreoffice.org/global/users/ All messages sent to this list will be publicly archived and cannot be deleted -- For unsubscribe instructions e-mail to: users+help@global.libreoffice.org Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette List archive: http://listarchives.libreoffice.org/global/users/ All messages sent to this list will be publicly archived and cannot be deleted