Win 7, but, on reflection, I'm not being fair to Adobe. I just remembered I have Acrobat installed on that computer, not just Reader, and it is undoubtedly Acr

Win 7, but, on reflection, I'm not being fair to Adobe. I just remembered I have Acrobat installed on that computer, not just Reader, and it is undoubtedly Acrobat updates that are causing my reboot pain.