I got a bug from someone who told me that he had problems with the TRegistry method DeleteKey on his 64bit Windows. It just didn’t delete a 64bit key* from the registry although he used the KEY_WOW64_64KEY flag in desired access parameter of TRegistry.Create.
Some time ago, I was in the situation to set up a new computer with a Windows XP 64 CD. Well it doesn’t matter that it was 64bit. However, I always create a separate partitions for Windows XP. And because user profiles tend to get big, I moved a new user to a second partition. [...]
Since Windows Vista, a new API called Windows Contacts (WC) was born. It replaces the Windows Address BookAPI. You can get your personal properties by using the Windows Address Book Editor. It can be opened using “wab” in command line.