We all have this question in our mind.“Why does my application break when we change the Operating Systems?” Typically, whenever a new OS is released, Microsoft makes every effort to ensure application Compatibility. Unfortunately, as the OS evolves and when reliability, security and performance improvements are made, there are some comprises which are made that ends up breaking some applications. Thankfully, when the changes are decided to be made, there is some mitigation planned to address the applications which are broken. Hence, Application Compatibility is one importantwhich is on the top of everybody’s mind. This series of posts covers information on how the core changes of Windows 7 will affect the applications.

• How do you fix the OS Version Number Issue?
• Demystifying the Windows 7 Virtual XP Mode
• How do you fix the Browser Compatibility Issues?
• Session 0 Isolation and Secure Desktop
• Libraries, UAC, WRP and other Core Changes

Also, these articlescoversome basic methods to mitigate these issues from the viewpoint of Developers, IT Pros and End-users.  You can follow the blog or refer TechNet for more insights on Application Compatibility! About the Author: Vijay is a Microsoft MVP, focusing on Application Setup and Deployment. He is also a Springboard Series Technical Expert Panel member for Windows 7.  He is one among the core team members at BDotnet and BITPro User Groups. Apart from being passionate about Technology evangelism, he loves music. He is also a big fan of Mark Russinovich, A R Rahman and Sachin Tendulkar. He blogs at www.msigeek.com.To subscribe to his technical blog Msigeek, Visit – http://feeds.feedburner.com/msigeek