Microsoft's Windows Genuine Advantage (WGA) validation initiative has set off a firestorm of protest throughout the open source community after programmers uncovered a special function in the software dedicated to detecting Wine, a compatibility layer for running Windows programs in non-Windows environments.

WGA authentication is set to become mandatory for all non-critical Windows updates starting in the second half of 2005. Customers must run a program that verifies their Windows license, or they will not have access to Windows Update or the Microsoft Download Center.

Full details at Betanews.com.