I just updated both my desktop, Gateway and laptop, Dell Inspiron and I did not have any problems. I have Windows 7 SP1 Home Premium.
I clicked on the _ Download Now _ button and it asked me if I wanted to replace the current folder with the same name and I clicked Yes. After the download completed I started the installation and accepted both the license agreements. Then I clicked on Next and the installation started and completed.
Posted by,
cat0w (USA)