How to repair the damage virtual machine

How to repair the damage virtual machine? is there any tool available for third party as well as any Microsoft?

Note : this question for my curiosity purpose, may be later on i dig in that situation.
Muhammad AliAsked:
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Kanti PrasadCommented:

you need the original Windows installation media (CD or disk image file) and you may need a special drivers file from VMware so that your installation media will recognize the virtual hard disk.

The below link has some instructions

Here is a tool you can download a trial version

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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It depends on what type of damage has occurred to the virtual machine?

can you be more specific, as to what damage?
David Johnson, CD, MVPOwnerCommented:
you repair a virtual machine exactly as you would a physical machine. Same tools and procedures
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