这些十六进制命名文件夹来自哪里？

First off, I am using Windows XP. I have multiple hard drives and it looks like something decided to make some folders on the second one ( which is just a data drive, no os ). These folders all have names like "e69f29f1b1f166d3d30b8c9f7156ba" and "bd92c24cc278614082cd88e7a64b". They contain folders named update, whose "access is denied", so my best guess would be they are Windows updates. So I probably can't get rid of them but could someone at least explain what they are and why they are on the wrong drive?First off, I am using Windows XP. I have multip