News.com reports that on Wednesday, Microsoft revealed software that will update older PCs, making them more secure and modern. However, in the process the new software makes the PCs something less than full-fledged computers. Known as the Windows Fundamentals for Legacy PCs, the software is designed as a stopgap for companies with many older Windows PCs, but aren’t ready to replace them. These older computers may not be able to be upgraded to Windows XP, so this new software essentially turns these machines into “thin clients,” able to run some programs locally, but most applications would then need to be run from the server side…