OS : Linux kaushal 5.8.0-36-generic #40~20.04.1-Ubuntu SMP Wed Jan 6 10:15:55 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Every Day when my pc boots up and write the first command apt update I got the following error.

After some time it auto resolved. This is normal?

kaushal@kaushal:~$ sudo apt update

[sudo] password for kaushal: 

Reading package lists... Done

E: Could not get lock /var/lib/apt/lists/lock. It is held by process 2346 (packagekitd)

N: Be aware that removing the lock file is not a solution and may break your system.

E: Unable to lock directory /var/lib/apt/lists/

kaushal@kaushal:~$ sudo apt update

Reading package lists... Done

E: Could not get lock /var/lib/apt/lists/lock. It is held by process 2346 (packagekitd)

N: Be aware that removing the lock file is not a solution and may break your system.

E: Unable to lock directory /var/lib/apt/lists/

kaushal@kaushal:~$ sudo apt update

Hit:1 http://in.archive.ubuntu.com/ubuntu focal InRelease

Hit:2 http://dl.google.com/linux/chrome/deb stable InRelease                        

Hit:3 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease                   

Hit:4 http://ppa.launchpad.net/git-core/ppa/ubuntu focal InRelease                  

Hit:5 http://in.archive.ubuntu.com/ubuntu focal-backports InRelease                 

Hit:6 http://security.ubuntu.com/ubuntu focal-security InRelease                    

Get:7 https://mega.nz/linux/MEGAsync/xUbuntu_20.04 ./ InRelease [2,441 B]

Fetched 2,441 B in 2s (1,115 B/s)         

Reading package lists... Done

Building dependency tree       

Reading state information... Done

All packages are up to date.

kaushal@kaushal:~$