Some of those -- specifically, Toshiba and Dell, maybe others -- will sometimes have a Repair option, which basically does a reinstall of Windows over the top of your existing Windows install, preserving all your apps and data.  (This is the time-honored method by which you fix most Windows errors, as it happens.)
Wouldn't hurt to check, though I'd take a backup of your data and important bits first, just in case your finger slips and hits the Erase Everything button I've done it, it's no fun.
  I've done it, it's no fun.
                      
--sofaspud
--"Listening to your kid is the audio equivalent of a Salvador Dali painting, Spud." --OpMegs
	
	
	
Wouldn't hurt to check, though I'd take a backup of your data and important bits first, just in case your finger slips and hits the Erase Everything button
 I've done it, it's no fun.
  I've done it, it's no fun.--sofaspud
--"Listening to your kid is the audio equivalent of a Salvador Dali painting, Spud." --OpMegs

 
 

 
