This is certainly annoying. I went to my Uni to get a copy of SAS for out project (legit, BTW), but since SAS tends to be annoying at times, I wanted to install it in a virtual setting, so I figured I'd use the nice "phat" pipes to download Virtual PC and Windows XP to go along with it for my Windows 7. However, the MS site wants me to update WAT. Now, since my Dell laptop already came with a SLIC 2.1 table built-in and I had the whole thing nicely activated using a matching certificate and master key, I figured I'm safe... how wrong I was. After installing that update, the system now gives me 30 days to activate and greets me with a nice black wallpaper and some warning to boot. What's worse, I cannot seem to activate the system using the same key even after removing the annoying update. Only thing that worked so far was RemoveWAT... If it comes down to this, I'll stick with RemoveWAT; but at this point I'd really need that Virtual PC and I'd feel a lot better knowing that my system is activated. Any tips?