Thanks storageman. I've had a full day without repetition, but if/when it reoccurs I'll see if I can install a 4.22 version.

As you saw in my Serif Forum: Lounge post I tried that several times in vain. But I finally regained access to the IrfanView forum, including posting permissions, by re-registering with a new...

Thanks. Thought 'anniversary' sounded familiar! Yes, that's my vesion of Win 10 too!

That login area was what I used, and gives me access to read posts only.

Terry, East Grinstead, UK

Thanks, appreciate the fast reply. Mine is same version number but I see no mention of 'Anniversary build'.

144630

I can login (presumably with my very old pw - it's entered automatically) but...

Have any other users of the excellent IrfanView had similar problem to the following please? Or any suggestions on a likely cause?

I place an image on the clipboard then open IrfanView and paste...