Eclipse Kepler – Unhandled event loop execution

Hello friends,
I got this error message, trying to find a solution in the internet but not able to find. I have attached the error please do check and help me to sort the problem. The error message says that ‘see the log files’, but where I can find the log files. Please help. Thanks.

An SWT error has occurred.
You are recommended to exit the workbench..
Subsequent errors may happen and may terminate the workbench without warning.
See the log file for more details.
Do you want to exit the workbench?
