Why has Microsoft been refusing to give updates?

Question

Have signed in to Microsoft update site and been told My os is mac. no it is not. Why?

both Me and XP have been refusing Me updates for any version

Answer 1

Is your software legitimate? If you "borrowed" it from a friend, you cannot get updates. You can check its validity:

How to tell if my software is legitimate
Follow this link and download the validation assistant.
Office: http://www.microsoft.com/resources/howtotell/en/office/whyvalidate.mspx
Microsoft: http://www.microsoft.com/resources/howtotell/en/default.mspx

Answer 2

Run Secunia Software Inspector http://securitynewsfromthenet.blogspot.com/ .Securina will tell you which of your software is outdated and have holes in them