K, if you've got an original Windoze CD (not a restore disk) you could use the repair option. Say no the 1st time it asks if you want to repair then say yes the 2nd time - that'll restore system files without deleting anything. I will only work with an original Windows CD.
Or - try system restore. Go to Start, Accessories, System tools and fire up system restore - then look for a restore point dated when Toribash worked.