How to solve this problem?


See in taskbar it shows a error message i don't know what it is How to solve this issue

Please open a terminal and run:

sudo apt update

relay any errors or 404 here.

If it runs without errors, please run

sudo apt upgrade

and relay the results of that here...

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Working thank you

Incase you have broken packages on your system, In terminal

sudo apt --fix-missing update

sudo apt update

sudo apt install -f


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Thank you sir

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I recommend sudo apt --fix-broken install instead. This is because "-f" in the sudo apt install -f means "Force the install" and this can cause problems if there is a reason that the install is failing in the first place. It is better to properly install or fix the install than it is to force it.

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Thank you, sir