Had the same issue, uninstalled Nitro, deleted Nitro from printer list, rebooted and issue seemingly resolved. In my case, Excel refused to <save> new books as well. Issue seems to be resolved now.
Type: Posts; User: jamestnewton
Had the same issue, uninstalled Nitro, deleted Nitro from printer list, rebooted and issue seemingly resolved. In my case, Excel refused to <save> new books as well. Issue seems to be resolved now.