By default, taskbar grouping comes into play only when the taskbar fills up. Even if you have multiple windows from the same application open, if there's room for a separate button for each window, that's what you get.
The list of recently used programs - the items that appear below the pinned programs on the left side of the Start menu - is controlled by Windows. The list includes only shortcuts to .exe files; other executable files you open (such as .msc files) do not appear.
By opening a Command Prompt session with administrative privileges, you can use the defragmentation program with various command-line options. (For details, type defrag /? at the command prompt.).
A volume must have at least 15 percent free space before Disk Defragmenter can completely defragment the volume. If you have less free space available, the operation will run, but only partial defragmentation will result.
The command-line version of the Disk Defragmenter allows you to exercise fine-grained control over the defragmentation process and uses the exact same program code as the scheduled version.
If you are using Windows Aero, you can perform a neat Registry trick to slow down the animations (minimize/maximize) when you hold down the Shift key on your keyboard. But you are going to have to modify the Registry a little.
The problem that many users have with startup programs is not creating them (that's easy, and in many cases it happens more or less automatically), but getting rid of them. Having too many startup programs not only makes your system take a longer time to start, it also has the potential to waste memory. If you don't require a program at startup, its a good idea to get it out of your startup path.
Administrators can enable or disable Windows Firewall on all connections or on a per connection basis. To do so, click Windows Firewall from within Windows Security Center and then click Change Settings to display the Windows Firewall dialog box.
Administrators may want to disable offline files and folders altogether. As administrators, they have the ability to specify which files are or are not available for offline use.
AHCI is the acronym for the Advanced Host Controller Interface. It is a new interface specification that allows the SATA controller driver to support advanced features like Native Command Queuing and Hot Plug.