To address the issue you are facing with attaching files from PC1 to emails on PC2 but not being able to find PC1 while attaching the files, you can troubleshoot this by following these steps: 1. Ensure Network Discovery is On: - On PC1 and PC2, ensure that network discovery and sharing features are turned on. This allows the computers to be visible to each other on the network. - Go to Control Panel -> Network and Sharing Center -> Change advanced sharing settings. Ensure that network discovery and file and printer sharing are enabled. 2. Check Workgroup Configuration: - Make sure that both PCs are on the same workgroup. Go to Control Panel -> System -> Advanced system settings -> Computer Name tab. Ensure that the...