Ran a Windows 10 update on the wife's laptop this afternoon and it has completely removed all the files - Word docs, photos, music, the whole lot. All the user's tips on the Internet have failed to work. Had a look at the various forums and it seems this is a known issue. How do Microsoft get away with this sort of thing? May have to resort to one of those data recovery companies to see if there is any chance of recovering the files. Most of the documentation stuff is backed up and the originals of the photos are still on the iPad or phone. However had we known about this issue we would have fully backed up everything before accepting the update!