----- Original Message ----- From: "Louann ROARK" <[email protected]> To: "COMPUTERS-L" <[email protected]> Sent: Monday, January 16, 2012 3:25 PM Subject: [COMPUTERS] dot.net framework > > do we need dot.net on our XP machines? & if so, do we need 2.0, 3.5, & > 4.0? Depends. If you have some program that needs them, then Yes. it's pretty much impossible to know WHAT version is used by what. But if you do need a version and don't have it, the failure MIGHT give enough info to know what's missing, but it's just as likely that it will be a generic error message.