Windows cannot open the required file source/install.wim

Hi !
I have just downloaded windows 8.1 pro .....
And maked a bootable DVD .....
When I install the Windows 8.1 pro
There is a box of "Install Now"
When I just click on that....
Then the screen appears ,....
And on the screen at the bottom of the screen there is written that setup is starting and suddenly it shows that ......
Windows cannot open the required file source/install.wim.
Make sure all files required for installation are available, Error code: 0x80070570.......
And I checked on the bootable DVD in the boot folder and then in the source.....there is install.wim is available.....
Now .....
What can I do to fix this problem.....
Please help me !!!!!
I am in trouble !!!!!
Please Help Me !!!!!!!!!!!!!!!!!!!!
Please Answer fast...... Please......

Where did you download Windows 8.1 from? I always use Microsoft's website.

https://www.microsoft.com/en-us/software-download/windows8ISO

It sounds to me like your install media is corrupt. I would download Windows 8.1 again. When you burn the DVD, always use the slowness speed possible. There is less chance for errors.