Using Knoppix USB to fix your windows PC (XP, Vista)

Knoppix USB allows you to fix a windows partition, copy data to/from
NTFS drives, so allowing you to access data on a windows PC that is corrupted.

Here's info on how knoppix might be useful in fixing windows problems
such as

Using Knoppix to Restore the Master Boot Record

Use Knoppix to Write Zeros to the Hard Drive

• Using Knoppix to Fix File System Errors

Link..
https://www.brighthub.com/computing/linux/articles/64736.aspx

[old links no longer working}
Here's some other peoples experiences of using KNOPPIX to fix windows
http://digg.com/software/Fixing_Windows_with_Knoppix