Stuart, Please check the advice in the FHUG Knowledge Base regarding re-installing FH on a new Windows 7 PC and moving its data and settings from old PC. See the "Installation Guide" at http://www.fhug.org.uk/wiki/doku.php?id=how_to:index#installation_guide and look through all its sub-sections. If after following all that advice you still have problems, it may be better to post your questions on the FHUG Forums > V4 Usage. See http://www.fhug.org.uk/cgi-bin/index.cgi and register free under the Login section on the left. Regards, Mike Tate -----Original Message----- From: family-historian-users-bounces@rootsweb.com [mailto:family-historian-users-bounces@rootsweb.com] On Behalf Of stuartmalcolm@tiscali.co.uk Sent: 30 September 2011 20:36 To: family-historian-users@rootsweb.com Subject: [FHU] Corrupt Files I have installed Windows 7 but when I try to copy Family Historian V4 from the transferred files list I get told that I have corrupt files. How do I get Family Historian back and have I lost all the information I had entered? The back up copy on my external hard drive will not open. Help please Stuart Baker