无法正常启动，需要使用之前的linux镜像通过高级选项启动。当我尝试更新它时，系统会返回此信息：
Running post-installation trigger dpkg-exec
Preparing installation of memtest86+
Unpacking memtest86+
Installing memtest86+
Configuring linux-image-5.4.0-47-generic
Error Resume:
Eror Code: error-package-manager-failed
Package operation failed
The installation or removal of a software package failed.
Error Detail: installArchives() failed: Preconfiguring packages ...
Preconfiguring packages ...
(Reading database ...
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... …lubuntu ×1