Windows XP could not start because the following file is missing or corrupt - message

Question

Hi there and apologies in advance if this is a daft or very frequently asked question.
Upon trying to boot up this Toshiba mini NB200 device last night we got this message:
Windows XP could not start because the following file is missing or corrupt: \WINDOWS\SYSTEM32\CONFIG\SYSTEM.  it then asked me to press r at the forst screen to start a repair if I have the original set up cd.
The device had to be forced to shutdown previously as it hung when shutting down.
Now multiple reboots (including uncoupling/recoupling the battery) and resetting the settings from start up menu result in the same error message.
The device has no cd drive installed but previously Jerry Lippey (in 2011) saved the day by recommending purchase of a product recovery disc (R10804EN) after a 'flashing cursor issue' at logon.
Has anyone far more clever than I any thoughts (if we're able to borrow a portable cd drive) whether this disc may work again?
Windows XP was/is preinstalled on the PC (we havent the disc) and we've subsequently added MS Works. A total wipe of the device (as long as XP remains?) wont be too much hassle as we havent any data that we're too bothered about on it.
Many, many thanks in advance 
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Answer 1

Toshiba NB200-11L
Windows XP could not start because the following file is missing or corrupt: \WINDOWS\SYSTEM32\CONFIG\SYSTEM
Bad news. It means the System hive, which is the most important branch of the registry, is corrupt. Unless you have made provisions for this (we always do on XP systems), the fix is too complex for you to handle (KB307545).
I'm afraid you'll need to restore the hard disk to its original out-of-the-box contents using Toshiba recovery media as you did before. Do you have important files to rescue?
-Jerry