>Recently my work machine start displaying this message in the lower-right corner. On top of this, many of the feature and windows application start working. This included IIS and ODBC drivers. I have search the web for possible solutions but found nothing legal or even worked. Now, this last weekend my machine at home is doing the same. I know for a fact that my home machine is a legal copy of WIndows 7, for I bought when got the machine earlier this year. Has anyone encourtered this and found a solution short of reinstalling the OS and applications?

You did activate both machines I'm assuming? This will happen if you don't.

It is possible you have some sort of virus, although I haven't heard of one doing that - haven't searched though.