It seems like you are facing an issue where Windows XP and the Windows RC version installed on separate hard disks cannot see each other's partitions in My Computer. This problem might be due to the different file systems or partition types used on each disk. Here are a few steps you can try to resolve this issue: 1. Assign Drive Letters: - Sometimes, a partition might not show up in My Computer because it doesn't have a drive letter assigned to it. You can assign a drive letter using the Disk Management tool. - Right-click on "My Computer" and select "Manage." - Go to "Disk Management" under "Storage." - Find the partition that is not showing up and right-click on it. - Choose "Change Drive Letter and Paths" and then click on...