Public bug reported:
I donot know what's wrong with this OS. It usually cannot be shutdown
normally. sometimes, when it startup, the icons in the upperright
donot display normmally. when I click "setting" , OS usually
responses my action after a while. My firefox webbrowser often has
no response. today, I rollback my OS , it happens USB cannot be
unmouted , but I surely umouted it. then the OS cannot be
shutdown. I shutdow it by power button on my computer
manually. now it is okay. I donot know next time wether will it
work poeperly. 最近我的电脑不能正常工作，主要表现在内置软件不能关闭。比如firefox， system monitor，
以及系统的设置按钮。需要对电脑强制关闭，但是强制关闭后，需要多次重启才能进入系统，即便是进了系统，系统也不一定能正常工作。于是我利用grub恢复我的系统到之前一个还原点。但是出现了U
盘无法弹出的问题，虽然我已经把它弹出（通过任务栏图标，右键弹出）并且拔了。接着我点开了资源管理器，点了弹出的图标。但是没有响应。于是我重启电脑，弹出确认和输入密码的提示。我输入了密码，很长一段时间电脑并没有重启。于是我通过电脑主机的按钮强制重启了电脑。现在上报了问题。
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 5.13.0-40.45~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-40-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun May 1 16:22:45 2022
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed
maybe-ubiquity quiet splash ---
InstallationDate: Installed on 2022-01-08 (112 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
SourcePackage: ubiquity
Symptom: installer
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubiquity-20.04.15.17
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https://bugs.launchpad.net/bugs/1971077
Title:
I donot know what's wrong with this OS. It usually cannot be shutdown
normally. sometimes, when it startup, the icons in the upperright
donot display normmally. when I click "setting" , OS usually
responses my action after a while. My firefox webbrowser often
has no response. today, I rollback my OS , it happens USB
cannot be unmouted , but I surely umouted it. then the OS
cannot be shutdown. I shutdow it by power button on my
computer manually. now it is okay. I donot know next time
wether will it work poeperly.
最近我的电脑不能正常工作，主要表现在内置软件不能关闭。比如firefox， system monitor，
以及系统的设置按钮。需要对电脑强制关闭，但是强制关闭后，需要多次重启才能进入系统，即便是进了系统，系统也不一定能正常工作。于是我利用grub恢复我的系统到之前一个还原点。但是出现了U
盘无法弹出的问题，虽然我已经把它弹出（通过任务栏图标，右键弹出）并且拔了。接着我点开了资源管理器，点了弹出的图标。但是没有响应。于是我重启电脑，弹出确认和输入密码的提示。我输入了密码，很长一段时间电脑并没有重启。于是我通过电脑主机的按钮强制重启了电脑。现在上报了问题。
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