Steps To Report Error with Log for New bees

1. Download adb fast boot on your computer from this thread
2. go to phone setting developer options go to debugging enable android debugging.
3. connect your phone with usb cable to computer
4. it will prompt you for authorisation for first time do accept it as trusted on your phone..
5. now open command prompt
6. type adb shell check that you got the $ prompt there. if you got an error device not ready please check that your phone might have connected as MTP device just uncheck that. and try again you should get $ prompt now.
7. after this point any time you can connect your phone to computer and in command prompt
8. just need to type "adb logcat -d > log.txt"
9. along with your error description do attach that log.txt

Alternate

Download Alogcat app from Market (play store) 

And Create Log by that App