2.then press VOLUME UP + POWER On/Off Button + HOME Button till the "Samsung Gt-i9082" screen appears.It will Boot the phone in recovery mode.
3.After booting in recovery you can't navigate by touch. So, 1. use the VOLUME Up and Down button to navigate/scroll.
2. use Power button to select the highlighted option.
4.Now select the wipe cache partition,confirm wipe.
5.select "Reboot system Now".
If Video player still crashes, follow the same process to "Wipe Data/factory reset".
I have rooted SGG so i can't post the images of Stock recovery cause stock recovery and CWM are different.
There are many threads where you will find detailed Guide about Stock recoverys.
Hope I helped.