*** This bug is a duplicate of bug 1798863 *** https://bugs.launchpad.net/bugs/1798863
Encountered the same problem! Machine: MSI GV62 7RD Processor: Intel® Core™ i7-7700HQ CPU @ 2.80GHz × 8 Graphics: GeForce GTX 1050/PCIe/SSE2 Operating System: Ubuntu 18.10 Kernel: 4.18.0-15-generic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to nvidia-graphics-drivers-390 in Ubuntu. https://bugs.launchpad.net/bugs/1791697 Title: pkcs #7 signature not signed with a trusted key Status in nvidia-graphics-drivers-390 package in Ubuntu: Confirmed Bug description: after install nvidia-drivers-396 and virt-manager, virtualbox package and reboot system, in boot my system show to me this message: "pkcs #7 signature not signed with a trusted key" and system not booting(freeze maybe) I purged nvidia-driver-396 and virt-manager, virtualbox packages in recovery mode, The problem was resolved temporarily... i use ubuntu 18.10 development branch, ubuntu is UEFI boot. same problem when upgrading ubuntu 18.04 to 18.10. and now when reinstalling ubuntu 18.10! i have nvidia GTX 1050 TI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1791697/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp