I don't have a PDF with 1000 pages to test. Please start gscan2pdf from the command line with the --log option, reproduce the problem, quit, and post the log file:
gscan2pdf --log=log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1527935 Title: Load PDF with more than 1000 pages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gscan2pdf/+bug/1527935/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs