Thanks a lot. You are absolutely right. After removing the old stuff from /usr/local/lib und rebuilding ld.so.cache there is no problem any longer. Xserver runs fine with version: 2.34.2-0ubuntu2~20.04.1 now.
Sorry for your inconvenience and again, many thanks. Klaus p.s. will close this bug ** Changed in: at-spi2-atk (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1905560 Title: XServer Crashes with atk_component_scroll_to_point if NVIDIA Driver 340 is Used To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at-spi2-atk/+bug/1905560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs