Mumrah,
We can try to help with your individual issue to see if we can find out what’s happening. What have you tried to troubleshoot the problem? Have you confirmed that your PC meets the minimum system requirements? Do you have a PC with an older CPU which might be suffering from this bug?
If you’re still having trouble after checking these, please generate a text copy of your DxDiag using these instructions. Once you have that made, open the file. Copy the code below, then copy/paste everything from that DXDiag file between the rows of tilde (~) marks where it says “DXDiag goes here.”
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DXDiag goes here
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If the file’s too large to submit, you can upload it to a file hosting site like pastebin and post the link in the code above instead.