Great product! This all in according to testing install in VirtualBox (latest version). I successfully integrated 321 unique (!!!) )updates for windows 7 x64 sp1. It only couldnt properly fix kb890830 (malicious software removal tool) which is no biggie, but kb253352 (for enable future updates) also still shows up on windows update. The integration procedure in itself went on without stopping so it created everything just fine on that regard. Feature request: #1 On a sidenote, a tweak to disable the "http://windows.microsoft.com/en-gb/windows/what-is-the-browser-choice-update" kb976002 would be welcome. As this KB does integrate it produces the "select browser" thingie on first login which is rather annoying. #2 Select custom .reg file for registry import and or .bat, batch file to run after first login (or before for that matter(both preferable-but if choose- after login would be sweet).