It sounds like you're experiencing issues with setting up a homegroup between your Windows 7 Home Premium laptop and Windows 7 Professional desktop, even though you can still connect to each other's shared resources. Here are a few things to consider: 1. Homegroup Differences: Homegroups were a feature introduced in Windows 7 for easy sharing of files, printers, and other devices on a home network. While homegroups can simplify sharing on a local network, they are not always necessary for basic file sharing. 2. Workgroup Settings: Both your laptop and desktop should be in the same workgroup to allow file sharing even without a homegroup. You can check and change the workgroup settings on both devices to ensure they match. 3...