Why is the inf file txtsetup.sif corrupt or missing?

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Why is the inf file txtsetup.sif corrupt or missing?
This message usually indicates a hardware failure. (Computer image by Haris Rauf from Fotolia.com)

Txtsetup.sif is a set-up information file called on by Windows during start-up. Error messages reading "INF file txtsetup.sif is corrupt or missing status xxxx" generally crop up during installation of Windows NT or XP, and have been theorised to indicate a built-in safeguard intended by Microsoft to ensure registration of the operating system. More commonly, seeing this message indicates a problem reading your Windows installation CD.

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Corrupted Files

Corrupted files are files that have become unusable for some reason. Defects in either hardware or software while copying or manipulating a file can introduce errors into it. Malicious viruses sometimes cause disruptions as well. Corrupted files can sometimes be repaired, but more often they must be recovered or recopied from the source.

SIF Files

SIF files, or "set-up information files," contain important set-up information for Windows NT and XP. These files define parameters called on during the system installation process. The fact that these files are being read as "corrupt" during an installation means it's possible that the installation CD itself is scratched, or that problems with your CD drive are preventing it from reading the disk properly.


Wipe down your installation CD with a soft cloth to remove any scratches or blemishes. Open your CD-ROM drive and clean the ground connections (the U-shaped metal pieces on top) with a small piece of sandpaper. Clean the lens with a cotton swab. Now attempt your installation again.

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