If you want to know about the first Windows 7 update and what it does, you are in the right place. The update is focused on compatibility issues and here is the list of the issues that it solves:

- Alcohol 52% will now work on Windows 7

- The Altiris, Symantec Virtual Software (up to 6.1.499) won’t display anymore errors

- ZoomText 9.18 errors are now fixed

- Dell Printer Driver for V105, V305 and V505 will now setup without any errors

- Trend Micro Internet Security 2007, 2008 and 2009 errors are now fixed

- The versions 2.2.x and 3.5.x of YiDongFeiXin will now work on Windows 7

- Trend Micro VirusBlaster 2008 errors will be fixed with this update

- Windows Live Photo Gallery file associations issues are solved with this upgrade

Here you go, these are just the first problems that Microsoft is trying to fix via an update. Expect to see more updates from Microsoft in the near future.