The windows backup is created on the virtual hard disk in the .vhd file format. The reason for that if by any how the main file is found missing from the system then it can be easily retrieved from the virtual hard disk. The File size of VHD formats can be static or dynamic depending on the user.
But the problem appears when the VHD files gets corrupted. The file is unable to open and the user cannot access it. In this type of situation the windows can also get corrupted and whole system can get ruined.
The reason for VHD corruption can be Trojan Infection or abrupt shutdown of the system. Whatever the reason may be but the user can lose many of its precious data present in the corrupted VHD file.
So if any of the user is going through this type of situation then I would recommend a professional tool which can help the user to Repair VHD Files. You may find many tools on the web but this tool is very effective and it is a genuine product. The tool recovers large size data in no time. There is no size limit for the data recovery.