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E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 1928 (apt-get)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?
E: _cache->open() failed, please report.
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System: Kernel: 5.4.0-117-generic x86_64 bits: 64 compiler: gcc v: 9.4.0
Desktop: Cinnamon 5.2.7 wm: muffin dm: LightDM Distro: Linux Mint 20.3 Una
base: Ubuntu 20.04 focal
Machine: Type: Laptop System: LENOVO product: 81MT v: Lenovo V145-15AST serial: <filter>
Chassis: type: 10 v: Lenovo V145-15AST serial: <filter>
Mobo: LENOVO model: LNVNB161216 v: No DPK serial: <filter> UEFI [Legacy]: LENOVO
v: 8ZCN23WW(V2.02) date: 05/09/2019
Battery: ID-1: BAT1 charge: 19.5 Wh condition: 24.8/30.0 Wh (83%) volts: 8.4/7.5
model: LENOVO PABAS0241231 serial: <filter> status: Charging
CPU: Topology: Dual Core model: AMD A6-9225 RADEON R4 5 COMPUTE CORES 2C+3G bits: 64
type: MCP arch: Excavator L2 cache: 1024 KiB