Gfxui has stopped working. how do I fix this?

[barrington g]

Hello,My acer 5735 aspire laptop
on start up I get the message that gfxui has stopped working & the program needs to be closed. What is gfxui & how do I fix the problem can anyone help

 

[Guest]

Hello,My acer 5735 aspire laptop
on start up I get the message that gfxui has stopped working & the program needs to be closed. What is gfxui & how do I fix the problem can anyone help