C:\Documents and Settings\my name\UserData\06CF6PX2
where the last part varies. For the most part they are empty. Can these be deleted without causing a problem?
To begin with, be careful. There may be other directories called “UserData” on your machine. It’s a common name for any number of different purposes, and used by several different applications.
But these, at that specific location in your Documents and Settings, are fairly clear.
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I believe those directories, when located in C:\Documents and Settings\my name\UserData\, where “my name” is replaced by your user name on the computer, are temporary storage used by Windows Update.
Deleting shouldn’t cause a problem. I deleted mine, and similar directories were recreated the next time I visited Windows Update.