I have vb6 application and it exe is working in windows XP fine. Now we are going to change all windows XP PC as Windows 7 . I can login and run application 95% of forms and report. But some form load are not coming and system is hanging this case and after that all menu are showing disable look. Please let me know how to fix . What I want to add to resolve for it. Please let me guid step by step to sort of this issue.