Hi Gaurav,
Thank you for contacting Microsoft Community. I will surely help you with this issue.
This issue could have occurred due to these reasons:
- Permission issue.
- Corrupt User Account.
- Damaged files.
I suggest you to try the steps under the section Issue 1: I get an "Access Denied" error message when accessing or working with files and foldersin the following article and check if it helps.
"Access Denied" or other errors when accessing or working with files and folders in Windowshttp://support.microsoft.com/kb/2623670
Note:
- Applies to Windows 8.1
- You may need to be logged on as an administrator to change file and folder permissions.
Hope this information helps. Reply to the post with updated status of the issue so that we can assist you further.