It sounds like there may be an issue preventing web browsers and programs from running or updating on your friend's Windows 8.1 computer, even though they can connect to the internet. Here are some steps you can guide your friend through to troubleshoot and potentially resolve this issue: 1. Check Network Connection: - Ensure that the internet connection is stable and working properly by trying to access different websites through various browsers. 2. Restart the Computer: - Sometimes, a simple restart can resolve temporary issues. Ask your friend to restart the computer to see if that helps. 3. Run Network Troubleshooter: - Windows has a built-in Network Troubleshooter that can help diagnose and fix common network...