Problem showing every time after startup

Someone Please Help me to resolve the problem ,

You did not say what the problem is so no way anyone can help you.

Also do not post pictures of text you preformatted text option in cog wheel menu and copy and paste any text.

i’m sorry, i really don’t know what the issue is , each time i boot up the system shows a (same) problem(sreenshhot). i’m a beginner in Linux. can you please help me.