System repair disk

Used to launch Windows RWE
Can be created during some installations of Windows 7 and any time after installation
Can be useful if Windows 7 will not start, you cannot launch Windows RE from the hard drive, and you do not have a Windows 7 setup DVD to launch Windows RE
A 32-bit installation creates a 32-bit version of the repair disc
A 64-bit installation creates a 64-bit version