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YAY it works!!
Thanks rojash, name your drink I'm buying :)
Did'nt quite work out as you posted, but you gave me enough clues to figure it out.
1) Did as you said, nothing under scanner listed but found 'unknown device' so uninstalled that and restarted pc with scanner disconnected.
Windows started and immediately tried to install drivers on its own and failed. Clicked on the epson13829.exe file and it again went part way through installation and failed, but this time refered to a file in C\Users\SlackAlice\AppData\Local\Temp\\setup.
ini
So I went there and noticed that my Users folder was 'locked' which I thought was wrong, and that there was a folder in there called epson325814eu.zip which I did not know anything about.
Called a friend of mine who has the same O/S as me and he had a look at his Users\\AppData folder and his was not locked.
So I took a chance and unlocked my Folder using Administrators privileges and removed the epson folder. Restarted pc.
Windows tried again to install drivers and failed. Clicked on the epson13829.exe file and everything went through like a dream. Connected scanner and it works fine.
Thanks to you I can scan two 25yr old photo's and not only keep them but raise a smile on someones face in Thailand when i send them a copy. These photo's were thought to have been lost some time ago, but my cousin found them a couple of days ago.
Thanks again, much obliged
2) definitely 64bit, running 4Gb memory
3) not neccessary now!