Take the 2-minute tour ×  While looking for a Windows XP
download in the MSDN subscriber portal, I noticed this:  enter
image description here  So, what is the Debug/Checked version?
share|improve this question  1 Answer 1  up vote 23 down vote
accepted  The debug/checked version is used for debugging device
drivers. It contains run-time checks for error conditions and
has run-time optimizations removed.  share|improve this answer
Incase it isn't clear enough: This means that the debug/checked
versions will run slower than the ones designed for consumer
use. –  Hengjie Nov 5 '12 at 2:40  Your Answer