As the computer is starting, make sure to press a key to boot from the CD. In the Windows XP setup screen, press the 'R' key to run the Windows Recovery Console. If prompted, enter the number of Windows installation you're repairing. At the command prompt, type the command below. Copy x: i386 tfs.sys c: windows system32 drivers.
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The following topics explain some of the key features of the IOCTL interface:
System 32 Drivers Repair
When the operating system enumerates a CD-ROM device, it loads a native CD-ROM class driver (Cdrom.sys). This driver exposes an I/O control request (IOCTL) interface. All public I/O control codes for drivers of CD-ROM devices use buffered I/O. Consequently, the input or output data for these requests is at Irp->AssociatedIrp.SystemBuffer. For more info, see CD-ROM I/O control codes
Free System32 Drivers Download
Class drivers for CD-ROM devices handle additional public I/O control codes, along with those described in this section. For more information about requirements for storage class drivers, see General Storage I/O Control Codes.