I have just tried to open some older files on my flash drive Secure Access v2 Vault and am getting the message : The file xyz.jpg is invalid and cannot be opened. It is either corrupt, been tampered with or belongs to another license. None of these are true as I’ve been using this drive successfully for some years. All files prior to about 2012 will open perfectly, but all files dated since then fail to open with that error message.
Does anyone know if these files can be recovered as it sounds like a software issue rather than an actual corruption issue as the drive has not been touched since it last extracted successfully? It cannot be a coincidence that only more recent files will not open.
Any suggestions gladly received.