AA3 in Windows 10 - mix paste problem

So I have a laptop running windows 10.
I have downloaded AA3.

It appears to work the same as on my old system except when it comes to

mix/paste.  It garbles it. Sometimes it will paste another clip the I did not

copy into the clipboard.

I have also had problems with it garbling the file when I save it.

Have not had this problem until windows 10.

Anyone have any ideas?

Thanks

Kent