Final answer:
To fix programs that do not work after upgrading to Windows 7, use the Program Compatibility Troubleshooter tool or reinstall the program with a compatible version. Additionally, installing the program in compatibility mode or seeking an alternative compatible program can resolve the issue.
Step-by-step explanation:
When a user notices that some programs installed before upgrading to Windows 7 no longer function properly, there are several steps they can try to resolve the issue. Firstly, it is recommended to run the Program Compatibility Troubleshooter which is built into Windows 7. This can be found in the Control Panel under 'Troubleshooting' and can automatically detect and fix some of the most common issues.
Another solution is to reinstall the program with the latest version that is compatible with Windows 7. Often, software developers release updated versions of their software to ensure compatibility with newer operating systems. If an updated version isn't available, you can try installing the program in compatibility mode. Right-click the installation file, go to Properties, click the Compatibility tab, and select an older Windows version that the program was designed for.
If the problem persists, the user may need to consider finding an alternative program that provides similar functionality but is compatible with Windows 7, or rolling back to an older operating system that supports the applications. Upgrading to a new operating system often requires a period of transition where one must update or replace software that is not upwardly compatible with the new platform.