You can find it in c:\Users\Root\AppData\Local\Microsoft\Windows Virtual PC\. If you want to see the directory you need to enable "Show system (hidden) files and folders".
Systemroot
By installing the network drivers provided by the virtual machine.
In order to delete the Windows XP virtual machine that you created simply right click the virtual machine that you wish to delete, select "Remove" in the menu that appears, then select "Delete all files". After that, if you wish to delete your .ISO file, move it to the recycle bin and then empty the recycle bin.
Simply put, "no".
Use a Virtual Machine Program, such as Oracle VM VirtualBox, or Microsoft Virtual PC 2004/2007.
Use Windows Virtual Machine or VMWare.
From the Virtual Box File menu select Virtual Media Manager... This will present you with a list of installed operating systems on their virtual discs. Select the systems no longer required and click the Remove button at the top. You will then have the option to delete the virtual disc to regain the space for your hard disc.
No. That's what "virtual" means.
It should work, yes. It really doesn't matter where you compile it - if you compile under Windows XP, you don't compile FOR Windows XP; rather, you compile for the virtual machine, which is compatible in different environments.
NTVDM (New Technology Virtual DOS Machine)
You need to download Microsoft Virtual PC. It's free. Also Microsoft provides a copy of XP virtual machine (free of charge) for Virtual PC. You need to have them both if you want to run XP and Seven in the same time.
Set up a dual boot, or create a virtual PC with XP inside of Vista and install game on XP in virtual machine.