Would you please tell me why do this problem occur?

[ritikaaryan25]

Its happening with myblaptop again and again

 

[Math Geek]

perhaps you could tell us what problem is actually occurring? when does it happen? what are you doing when it happens? have you changed anything about the laptop recently? what laptop do you have specifically?

anything else you can add that does not require us to read your mind would be awesome as well